Home / 78,016.10-117,024.15-48,337.70

Finding the Fourth Proportional to 78,016.10, 117,024.15 and 48,337.70

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Solution

The fourth proportional to 78,016.10, 117,024.15 and 48,337.70 is: 72,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,016.10 : 117,024.15 = 48,337.70 : x
  2. Step 2: Convert to fraction form
    78,016.10/117,024.15 = 48,337.70/x
  3. Step 3: Cross multiply
    78,016.10x = 117,024.15 × 48,337.70
  4. Step 4: Simplify right side
    78,016.10x = 5,656,678,255.46
  5. Step 5: Solve for x
    x = 5,656,678,255.46/78,016.10
  6. Step 6: Final answer
    x = 72,506.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.