Home / 85,151.85-117,506.39-47,425.29

Finding the Fourth Proportional to 85,151.85, 117,506.39 and 47,425.29

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Solution

The fourth proportional to 85,151.85, 117,506.39 and 47,425.29 is: 65,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,151.85 : 117,506.39 = 47,425.29 : x
  2. Step 2: Convert to fraction form
    85,151.85/117,506.39 = 47,425.29/x
  3. Step 3: Cross multiply
    85,151.85x = 117,506.39 × 47,425.29
  4. Step 4: Simplify right side
    85,151.85x = 5,572,774,385.48
  5. Step 5: Solve for x
    x = 5,572,774,385.48/85,151.85
  6. Step 6: Final answer
    x = 65,445.14

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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.