Home / 78,832.20-118,248.30-50,838.60

Finding the Fourth Proportional to 78,832.20, 118,248.30 and 50,838.60

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Solution

The fourth proportional to 78,832.20, 118,248.30 and 50,838.60 is: 76,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,832.20 : 118,248.30 = 50,838.60 : x
  2. Step 2: Convert to fraction form
    78,832.20/118,248.30 = 50,838.60/x
  3. Step 3: Cross multiply
    78,832.20x = 118,248.30 × 50,838.60
  4. Step 4: Simplify right side
    78,832.20x = 6,011,578,024.38
  5. Step 5: Solve for x
    x = 6,011,578,024.38/78,832.20
  6. Step 6: Final answer
    x = 76,257.90

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1.5x scale

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.