Home / 61,931.86-85,471.25-35,079.14

Finding the Fourth Proportional to 61,931.86, 85,471.25 and 35,079.14

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Solution

The fourth proportional to 61,931.86, 85,471.25 and 35,079.14 is: 48,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,931.86 : 85,471.25 = 35,079.14 : x
  2. Step 2: Convert to fraction form
    61,931.86/85,471.25 = 35,079.14/x
  3. Step 3: Cross multiply
    61,931.86x = 85,471.25 × 35,079.14
  4. Step 4: Simplify right side
    61,931.86x = 2,998,257,983.01
  5. Step 5: Solve for x
    x = 2,998,257,983.01/61,931.86
  6. Step 6: Final answer
    x = 48,412.21

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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.