Home / 90,375.35-124,714.55-50,088.11

Finding the Fourth Proportional to 90,375.35, 124,714.55 and 50,088.11

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Solution

The fourth proportional to 90,375.35, 124,714.55 and 50,088.11 is: 69,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,375.35 : 124,714.55 = 50,088.11 : x
  2. Step 2: Convert to fraction form
    90,375.35/124,714.55 = 50,088.11/x
  3. Step 3: Cross multiply
    90,375.35x = 124,714.55 × 50,088.11
  4. Step 4: Simplify right side
    90,375.35x = 6,246,715,600.65
  5. Step 5: Solve for x
    x = 6,246,715,600.65/90,375.35
  6. Step 6: Final answer
    x = 69,119.69

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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.