Home / 90,677.21-125,132.01-50,389.02

Finding the Fourth Proportional to 90,677.21, 125,132.01 and 50,389.02

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Solution

The fourth proportional to 90,677.21, 125,132.01 and 50,389.02 is: 69,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,677.21 : 125,132.01 = 50,389.02 : x
  2. Step 2: Convert to fraction form
    90,677.21/125,132.01 = 50,389.02/x
  3. Step 3: Cross multiply
    90,677.21x = 125,132.01 × 50,389.02
  4. Step 4: Simplify right side
    90,677.21x = 6,305,279,354.53
  5. Step 5: Solve for x
    x = 6,305,279,354.53/90,677.21
  6. Step 6: Final answer
    x = 69,535.44

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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.