Home / 90,530.46-124,929.65-50,243.18

Finding the Fourth Proportional to 90,530.46, 124,929.65 and 50,243.18

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Solution

The fourth proportional to 90,530.46, 124,929.65 and 50,243.18 is: 69,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,530.46 : 124,929.65 = 50,243.18 : x
  2. Step 2: Convert to fraction form
    90,530.46/124,929.65 = 50,243.18/x
  3. Step 3: Cross multiply
    90,530.46x = 124,929.65 × 50,243.18
  4. Step 4: Simplify right side
    90,530.46x = 6,276,862,892.29
  5. Step 5: Solve for x
    x = 6,276,862,892.29/90,530.46
  6. Step 6: Final answer
    x = 69,334.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.