Home / 85,074.18-117,402.69-47,348.43

Finding the Fourth Proportional to 85,074.18, 117,402.69 and 47,348.43

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Solution

The fourth proportional to 85,074.18, 117,402.69 and 47,348.43 is: 65,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,074.18 : 117,402.69 = 47,348.43 : x
  2. Step 2: Convert to fraction form
    85,074.18/117,402.69 = 47,348.43/x
  3. Step 3: Cross multiply
    85,074.18x = 117,402.69 × 47,348.43
  4. Step 4: Simplify right side
    85,074.18x = 5,558,833,049.28
  5. Step 5: Solve for x
    x = 5,558,833,049.28/85,074.18
  6. Step 6: Final answer
    x = 65,341.01

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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.