Home / 91,966.12-137,949.18-60,794.20

Finding the Fourth Proportional to 91,966.12, 137,949.18 and 60,794.20

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Solution

The fourth proportional to 91,966.12, 137,949.18 and 60,794.20 is: 91,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.12 : 137,949.18 = 60,794.20 : x
  2. Step 2: Convert to fraction form
    91,966.12/137,949.18 = 60,794.20/x
  3. Step 3: Cross multiply
    91,966.12x = 137,949.18 × 60,794.20
  4. Step 4: Simplify right side
    91,966.12x = 8,386,510,038.76
  5. Step 5: Solve for x
    x = 8,386,510,038.76/91,966.12
  6. Step 6: Final answer
    x = 91,191.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.