Home / 57,110.22-78,813.15-31,959.66

Finding the Fourth Proportional to 57,110.22, 78,813.15 and 31,959.66

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Solution

The fourth proportional to 57,110.22, 78,813.15 and 31,959.66 is: 44,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,110.22 : 78,813.15 = 31,959.66 : x
  2. Step 2: Convert to fraction form
    57,110.22/78,813.15 = 31,959.66/x
  3. Step 3: Cross multiply
    57,110.22x = 78,813.15 × 31,959.66
  4. Step 4: Simplify right side
    57,110.22x = 2,518,841,477.53
  5. Step 5: Solve for x
    x = 2,518,841,477.53/57,110.22
  6. Step 6: Final answer
    x = 44,104.92

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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.