Home / 85,265.64-117,666.56-47,539.88

Finding the Fourth Proportional to 85,265.64, 117,666.56 and 47,539.88

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Solution

The fourth proportional to 85,265.64, 117,666.56 and 47,539.88 is: 65,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,265.64 : 117,666.56 = 47,539.88 : x
  2. Step 2: Convert to fraction form
    85,265.64/117,666.56 = 47,539.88/x
  3. Step 3: Cross multiply
    85,265.64x = 117,666.56 × 47,539.88
  4. Step 4: Simplify right side
    85,265.64x = 5,593,854,142.41
  5. Step 5: Solve for x
    x = 5,593,854,142.41/85,265.64
  6. Step 6: Final answer
    x = 65,605.02

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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.