Home / 87,795.29-121,157.52-47,508.93

Finding the Fourth Proportional to 87,795.29, 121,157.52 and 47,508.93

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Solution

The fourth proportional to 87,795.29, 121,157.52 and 47,508.93 is: 65,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,795.29 : 121,157.52 = 47,508.93 : x
  2. Step 2: Convert to fraction form
    87,795.29/121,157.52 = 47,508.93/x
  3. Step 3: Cross multiply
    87,795.29x = 121,157.52 × 47,508.93
  4. Step 4: Simplify right side
    87,795.29x = 5,756,064,225.73
  5. Step 5: Solve for x
    x = 5,756,064,225.73/87,795.29
  6. Step 6: Final answer
    x = 65,562.33

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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.