Home / 85,232.08-117,620.40-47,505.52

Finding the Fourth Proportional to 85,232.08, 117,620.40 and 47,505.52

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Solution

The fourth proportional to 85,232.08, 117,620.40 and 47,505.52 is: 65,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232.08 : 117,620.40 = 47,505.52 : x
  2. Step 2: Convert to fraction form
    85,232.08/117,620.40 = 47,505.52/x
  3. Step 3: Cross multiply
    85,232.08x = 117,620.40 × 47,505.52
  4. Step 4: Simplify right side
    85,232.08x = 5,587,618,264.61
  5. Step 5: Solve for x
    x = 5,587,618,264.61/85,232.08
  6. Step 6: Final answer
    x = 65,557.69

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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.