Home / 90,475.04-135,775.92-37,897.76

Finding the Fourth Proportional to 90,475.04, 135,775.92 and 37,897.76

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Solution

The fourth proportional to 90,475.04, 135,775.92 and 37,897.76 is: 56,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,475.04 : 135,775.92 = 37,897.76 : x
  2. Step 2: Convert to fraction form
    90,475.04/135,775.92 = 37,897.76/x
  3. Step 3: Cross multiply
    90,475.04x = 135,775.92 × 37,897.76
  4. Step 4: Simplify right side
    90,475.04x = 5,145,603,229.94
  5. Step 5: Solve for x
    x = 5,145,603,229.94/90,475.04
  6. Step 6: Final answer
    x = 56,873.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.