Home / 85,817.80-118,422.10-48,084.76

Finding the Fourth Proportional to 85,817.80, 118,422.10 and 48,084.76

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Solution

The fourth proportional to 85,817.80, 118,422.10 and 48,084.76 is: 66,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,817.80 : 118,422.10 = 48,084.76 : x
  2. Step 2: Convert to fraction form
    85,817.80/118,422.10 = 48,084.76/x
  3. Step 3: Cross multiply
    85,817.80x = 118,422.10 × 48,084.76
  4. Step 4: Simplify right side
    85,817.80x = 5,694,298,257.20
  5. Step 5: Solve for x
    x = 5,694,298,257.20/85,817.80
  6. Step 6: Final answer
    x = 66,353.35

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1.5x scale

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.