Home / 57,110.72-86,051.43-47,332.68

Finding the Fourth Proportional to 57,110.72, 86,051.43 and 47,332.68

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Solution

The fourth proportional to 57,110.72, 86,051.43 and 47,332.68 is: 71,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,110.72 : 86,051.43 = 47,332.68 : x
  2. Step 2: Convert to fraction form
    57,110.72/86,051.43 = 47,332.68/x
  3. Step 3: Cross multiply
    57,110.72x = 86,051.43 × 47,332.68
  4. Step 4: Simplify right side
    57,110.72x = 4,073,044,799.73
  5. Step 5: Solve for x
    x = 4,073,044,799.73/57,110.72
  6. Step 6: Final answer
    x = 71,318.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.