Home / 83,311.18-114,968.92-45,070.58

Finding the Fourth Proportional to 83,311.18, 114,968.92 and 45,070.58

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Solution

The fourth proportional to 83,311.18, 114,968.92 and 45,070.58 is: 62,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,311.18 : 114,968.92 = 45,070.58 : x
  2. Step 2: Convert to fraction form
    83,311.18/114,968.92 = 45,070.58/x
  3. Step 3: Cross multiply
    83,311.18x = 114,968.92 × 45,070.58
  4. Step 4: Simplify right side
    83,311.18x = 5,181,715,518.93
  5. Step 5: Solve for x
    x = 5,181,715,518.93/83,311.18
  6. Step 6: Final answer
    x = 62,197.12

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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.