Home / 90,714.13-125,175.98-50,421.39

Finding the Fourth Proportional to 90,714.13, 125,175.98 and 50,421.39

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Solution

The fourth proportional to 90,714.13, 125,175.98 and 50,421.39 is: 69,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,714.13 : 125,175.98 = 50,421.39 : x
  2. Step 2: Convert to fraction form
    90,714.13/125,175.98 = 50,421.39/x
  3. Step 3: Cross multiply
    90,714.13x = 125,175.98 × 50,421.39
  4. Step 4: Simplify right side
    90,714.13x = 6,311,546,562.86
  5. Step 5: Solve for x
    x = 6,311,546,562.86/90,714.13
  6. Step 6: Final answer
    x = 69,576.23

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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.