Home / 61,024.70-84,142.33-48,915.50

Finding the Fourth Proportional to 61,024.70, 84,142.33 and 48,915.50

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Solution

The fourth proportional to 61,024.70, 84,142.33 and 48,915.50 is: 67,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,024.70 : 84,142.33 = 48,915.50 : x
  2. Step 2: Convert to fraction form
    61,024.70/84,142.33 = 48,915.50/x
  3. Step 3: Cross multiply
    61,024.70x = 84,142.33 × 48,915.50
  4. Step 4: Simplify right side
    61,024.70x = 4,115,864,143.12
  5. Step 5: Solve for x
    x = 4,115,864,143.12/61,024.70
  6. Step 6: Final answer
    x = 67,445.87

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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.