Home / 90,368.46-124,705.17-54,555.12

Finding the Fourth Proportional to 90,368.46, 124,705.17 and 54,555.12

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Solution

The fourth proportional to 90,368.46, 124,705.17 and 54,555.12 is: 75,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,368.46 : 124,705.17 = 54,555.12 : x
  2. Step 2: Convert to fraction form
    90,368.46/124,705.17 = 54,555.12/x
  3. Step 3: Cross multiply
    90,368.46x = 124,705.17 × 54,555.12
  4. Step 4: Simplify right side
    90,368.46x = 6,803,305,513.97
  5. Step 5: Solve for x
    x = 6,803,305,513.97/90,368.46
  6. Step 6: Final answer
    x = 75,284.07

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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.