Home / 61,131.39-91,731.51-47,766.93

Finding the Fourth Proportional to 61,131.39, 91,731.51 and 47,766.93

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Solution

The fourth proportional to 61,131.39, 91,731.51 and 47,766.93 is: 71,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,131.39 : 91,731.51 = 47,766.93 : x
  2. Step 2: Convert to fraction form
    61,131.39/91,731.51 = 47,766.93/x
  3. Step 3: Cross multiply
    61,131.39x = 91,731.51 × 47,766.93
  4. Step 4: Simplify right side
    61,131.39x = 4,381,732,616.96
  5. Step 5: Solve for x
    x = 4,381,732,616.96/61,131.39
  6. Step 6: Final answer
    x = 71,677.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.