Home / 61,921.15-85,449.45-35,066.20

Finding the Fourth Proportional to 61,921.15, 85,449.45 and 35,066.20

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Solution

The fourth proportional to 61,921.15, 85,449.45 and 35,066.20 is: 48,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.15 : 85,449.45 = 35,066.20 : x
  2. Step 2: Convert to fraction form
    61,921.15/85,449.45 = 35,066.20/x
  3. Step 3: Cross multiply
    61,921.15x = 85,449.45 × 35,066.20
  4. Step 4: Simplify right side
    61,921.15x = 2,996,387,503.59
  5. Step 5: Solve for x
    x = 2,996,387,503.59/61,921.15
  6. Step 6: Final answer
    x = 48,390.37

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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.