Home / 90,320.28-124,640.64-50,033.92

Finding the Fourth Proportional to 90,320.28, 124,640.64 and 50,033.92

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Solution

The fourth proportional to 90,320.28, 124,640.64 and 50,033.92 is: 69,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,320.28 : 124,640.64 = 50,033.92 : x
  2. Step 2: Convert to fraction form
    90,320.28/124,640.64 = 50,033.92/x
  3. Step 3: Cross multiply
    90,320.28x = 124,640.64 × 50,033.92
  4. Step 4: Simplify right side
    90,320.28x = 6,236,259,810.51
  5. Step 5: Solve for x
    x = 6,236,259,810.51/90,320.28
  6. Step 6: Final answer
    x = 69,046.06

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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.