Home / 91,619.16-137,195.46-60,359.64

Finding the Fourth Proportional to 91,619.16, 137,195.46 and 60,359.64

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Solution

The fourth proportional to 91,619.16, 137,195.46 and 60,359.64 is: 90,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,619.16 : 137,195.46 = 60,359.64 : x
  2. Step 2: Convert to fraction form
    91,619.16/137,195.46 = 60,359.64/x
  3. Step 3: Cross multiply
    91,619.16x = 137,195.46 × 60,359.64
  4. Step 4: Simplify right side
    91,619.16x = 8,281,068,575.23
  5. Step 5: Solve for x
    x = 8,281,068,575.23/91,619.16
  6. Step 6: Final answer
    x = 90,385.77

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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.