Home / 90,605.74-125,031.68-50,322.10

Finding the Fourth Proportional to 90,605.74, 125,031.68 and 50,322.10

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Solution

The fourth proportional to 90,605.74, 125,031.68 and 50,322.10 is: 69,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,605.74 : 125,031.68 = 50,322.10 : x
  2. Step 2: Convert to fraction form
    90,605.74/125,031.68 = 50,322.10/x
  3. Step 3: Cross multiply
    90,605.74x = 125,031.68 × 50,322.10
  4. Step 4: Simplify right side
    90,605.74x = 6,291,856,704.13
  5. Step 5: Solve for x
    x = 6,291,856,704.13/90,605.74
  6. Step 6: Final answer
    x = 69,442.14

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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.