Home / 85,367.18-117,803.62-47,125.91

Finding the Fourth Proportional to 85,367.18, 117,803.62 and 47,125.91

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Solution

The fourth proportional to 85,367.18, 117,803.62 and 47,125.91 is: 65,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,367.18 : 117,803.62 = 47,125.91 : x
  2. Step 2: Convert to fraction form
    85,367.18/117,803.62 = 47,125.91/x
  3. Step 3: Cross multiply
    85,367.18x = 117,803.62 × 47,125.91
  4. Step 4: Simplify right side
    85,367.18x = 5,551,602,793.79
  5. Step 5: Solve for x
    x = 5,551,602,793.79/85,367.18
  6. Step 6: Final answer
    x = 65,032.05

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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.