Home / 90,280.70-124,572.69-52,041.81

Finding the Fourth Proportional to 90,280.70, 124,572.69 and 52,041.81

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Solution

The fourth proportional to 90,280.70, 124,572.69 and 52,041.81 is: 71,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,280.70 : 124,572.69 = 52,041.81 : x
  2. Step 2: Convert to fraction form
    90,280.70/124,572.69 = 52,041.81/x
  3. Step 3: Cross multiply
    90,280.70x = 124,572.69 × 52,041.81
  4. Step 4: Simplify right side
    90,280.70x = 6,482,988,264.17
  5. Step 5: Solve for x
    x = 6,482,988,264.17/90,280.70
  6. Step 6: Final answer
    x = 71,809.24

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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.