Home / 91,489.46-137,360.14-46,541.24

Finding the Fourth Proportional to 91,489.46, 137,360.14 and 46,541.24

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Solution

The fourth proportional to 91,489.46, 137,360.14 and 46,541.24 is: 69,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,489.46 : 137,360.14 = 46,541.24 : x
  2. Step 2: Convert to fraction form
    91,489.46/137,360.14 = 46,541.24/x
  3. Step 3: Cross multiply
    91,489.46x = 137,360.14 × 46,541.24
  4. Step 4: Simplify right side
    91,489.46x = 6,392,911,242.17
  5. Step 5: Solve for x
    x = 6,392,911,242.17/91,489.46
  6. Step 6: Final answer
    x = 69,875.93

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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.