Home / 89,385.90-123,348.54-53,595.66

Finding the Fourth Proportional to 89,385.90, 123,348.54 and 53,595.66

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Solution

The fourth proportional to 89,385.90, 123,348.54 and 53,595.66 is: 73,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,385.90 : 123,348.54 = 53,595.66 : x
  2. Step 2: Convert to fraction form
    89,385.90/123,348.54 = 53,595.66/x
  3. Step 3: Cross multiply
    89,385.90x = 123,348.54 × 53,595.66
  4. Step 4: Simplify right side
    89,385.90x = 6,610,946,411.34
  5. Step 5: Solve for x
    x = 6,610,946,411.34/89,385.90
  6. Step 6: Final answer
    x = 73,959.61

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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.