Home / 85,148.18-117,508.14-47,422.44

Finding the Fourth Proportional to 85,148.18, 117,508.14 and 47,422.44

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Solution

The fourth proportional to 85,148.18, 117,508.14 and 47,422.44 is: 65,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,148.18 : 117,508.14 = 47,422.44 : x
  2. Step 2: Convert to fraction form
    85,148.18/117,508.14 = 47,422.44/x
  3. Step 3: Cross multiply
    85,148.18x = 117,508.14 × 47,422.44
  4. Step 4: Simplify right side
    85,148.18x = 5,572,522,718.66
  5. Step 5: Solve for x
    x = 5,572,522,718.66/85,148.18
  6. Step 6: Final answer
    x = 65,445.00

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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.