Home / 91,750.12-137,592.16-31,762.32

Finding the Fourth Proportional to 91,750.12, 137,592.16 and 31,762.32

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Solution

The fourth proportional to 91,750.12, 137,592.16 and 31,762.32 is: 47,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,750.12 : 137,592.16 = 31,762.32 : x
  2. Step 2: Convert to fraction form
    91,750.12/137,592.16 = 31,762.32/x
  3. Step 3: Cross multiply
    91,750.12x = 137,592.16 × 31,762.32
  4. Step 4: Simplify right side
    91,750.12x = 4,370,246,215.41
  5. Step 5: Solve for x
    x = 4,370,246,215.41/91,750.12
  6. Step 6: Final answer
    x = 47,632.05

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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.