Home / 90,300.38-124,612.65-50,013.99

Finding the Fourth Proportional to 90,300.38, 124,612.65 and 50,013.99

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Solution

The fourth proportional to 90,300.38, 124,612.65 and 50,013.99 is: 69,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,300.38 : 124,612.65 = 50,013.99 : x
  2. Step 2: Convert to fraction form
    90,300.38/124,612.65 = 50,013.99/x
  3. Step 3: Cross multiply
    90,300.38x = 124,612.65 × 50,013.99
  4. Step 4: Simplify right side
    90,300.38x = 6,232,375,830.97
  5. Step 5: Solve for x
    x = 6,232,375,830.97/90,300.38
  6. Step 6: Final answer
    x = 69,018.27

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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.