Home / 89,805.07-123,865.85-61,073.66

Finding the Fourth Proportional to 89,805.07, 123,865.85 and 61,073.66

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Solution

The fourth proportional to 89,805.07, 123,865.85 and 61,073.66 is: 84,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,805.07 : 123,865.85 = 61,073.66 : x
  2. Step 2: Convert to fraction form
    89,805.07/123,865.85 = 61,073.66/x
  3. Step 3: Cross multiply
    89,805.07x = 123,865.85 × 61,073.66
  4. Step 4: Simplify right side
    89,805.07x = 7,564,939,883.81
  5. Step 5: Solve for x
    x = 7,564,939,883.81/89,805.07
  6. Step 6: Final answer
    x = 84,237.34

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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.