Home / 71,084.89-97,982.36-61,862.84

Finding the Fourth Proportional to 71,084.89, 97,982.36 and 61,862.84

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Solution

The fourth proportional to 71,084.89, 97,982.36 and 61,862.84 is: 85,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,084.89 : 97,982.36 = 61,862.84 : x
  2. Step 2: Convert to fraction form
    71,084.89/97,982.36 = 61,862.84/x
  3. Step 3: Cross multiply
    71,084.89x = 97,982.36 × 61,862.84
  4. Step 4: Simplify right side
    71,084.89x = 6,061,466,859.70
  5. Step 5: Solve for x
    x = 6,061,466,859.70/71,084.89
  6. Step 6: Final answer
    x = 85,270.82

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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.