Home / 62,178.66-85,777.11-42,042.60

Finding the Fourth Proportional to 62,178.66, 85,777.11 and 42,042.60

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Solution

The fourth proportional to 62,178.66, 85,777.11 and 42,042.60 is: 57,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,178.66 : 85,777.11 = 42,042.60 : x
  2. Step 2: Convert to fraction form
    62,178.66/85,777.11 = 42,042.60/x
  3. Step 3: Cross multiply
    62,178.66x = 85,777.11 × 42,042.60
  4. Step 4: Simplify right side
    62,178.66x = 3,606,292,724.89
  5. Step 5: Solve for x
    x = 3,606,292,724.89/62,178.66
  6. Step 6: Final answer
    x = 57,998.88

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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.