Home / 90,375.30-124,717.98-50,088.30

Finding the Fourth Proportional to 90,375.30, 124,717.98 and 50,088.30

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Solution

The fourth proportional to 90,375.30, 124,717.98 and 50,088.30 is: 69,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,375.30 : 124,717.98 = 50,088.30 : x
  2. Step 2: Convert to fraction form
    90,375.30/124,717.98 = 50,088.30/x
  3. Step 3: Cross multiply
    90,375.30x = 124,717.98 × 50,088.30
  4. Step 4: Simplify right side
    90,375.30x = 6,246,911,597.63
  5. Step 5: Solve for x
    x = 6,246,911,597.63/90,375.30
  6. Step 6: Final answer
    x = 69,121.89

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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.