Home / 85,007.64-117,335.25-56,713.26

Finding the Fourth Proportional to 85,007.64, 117,335.25 and 56,713.26

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Solution

The fourth proportional to 85,007.64, 117,335.25 and 56,713.26 is: 78,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,007.64 : 117,335.25 = 56,713.26 : x
  2. Step 2: Convert to fraction form
    85,007.64/117,335.25 = 56,713.26/x
  3. Step 3: Cross multiply
    85,007.64x = 117,335.25 × 56,713.26
  4. Step 4: Simplify right side
    85,007.64x = 6,654,464,540.42
  5. Step 5: Solve for x
    x = 6,654,464,540.42/85,007.64
  6. Step 6: Final answer
    x = 78,280.78

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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.