Home / 85,348.18-117,773.49-47,621.62

Finding the Fourth Proportional to 85,348.18, 117,773.49 and 47,621.62

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Solution

The fourth proportional to 85,348.18, 117,773.49 and 47,621.62 is: 65,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,348.18 : 117,773.49 = 47,621.62 : x
  2. Step 2: Convert to fraction form
    85,348.18/117,773.49 = 47,621.62/x
  3. Step 3: Cross multiply
    85,348.18x = 117,773.49 × 47,621.62
  4. Step 4: Simplify right side
    85,348.18x = 5,608,564,386.85
  5. Step 5: Solve for x
    x = 5,608,564,386.85/85,348.18
  6. Step 6: Final answer
    x = 65,713.93

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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.