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Finding the Fourth Proportional to 85,354.03, 117,788.57 and 47,113.59

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Solution

The fourth proportional to 85,354.03, 117,788.57 and 47,113.59 is: 65,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,354.03 : 117,788.57 = 47,113.59 : x
  2. Step 2: Convert to fraction form
    85,354.03/117,788.57 = 47,113.59/x
  3. Step 3: Cross multiply
    85,354.03x = 117,788.57 × 47,113.59
  4. Step 4: Simplify right side
    85,354.03x = 5,549,442,393.67
  5. Step 5: Solve for x
    x = 5,549,442,393.67/85,354.03
  6. Step 6: Final answer
    x = 65,016.76

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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.