Home / 88,588.98-122,222.28-61,721.70

Finding the Fourth Proportional to 88,588.98, 122,222.28 and 61,721.70

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Solution

The fourth proportional to 88,588.98, 122,222.28 and 61,721.70 is: 85,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,588.98 : 122,222.28 = 61,721.70 : x
  2. Step 2: Convert to fraction form
    88,588.98/122,222.28 = 61,721.70/x
  3. Step 3: Cross multiply
    88,588.98x = 122,222.28 × 61,721.70
  4. Step 4: Simplify right side
    88,588.98x = 7,543,766,899.48
  5. Step 5: Solve for x
    x = 7,543,766,899.48/88,588.98
  6. Step 6: Final answer
    x = 85,154.69

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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.