Home / 77,714.10-116,418.61-40,298.63

Finding the Fourth Proportional to 77,714.10, 116,418.61 and 40,298.63

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Solution

The fourth proportional to 77,714.10, 116,418.61 and 40,298.63 is: 60,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,714.10 : 116,418.61 = 40,298.63 : x
  2. Step 2: Convert to fraction form
    77,714.10/116,418.61 = 40,298.63/x
  3. Step 3: Cross multiply
    77,714.10x = 116,418.61 × 40,298.63
  4. Step 4: Simplify right side
    77,714.10x = 4,691,510,780.55
  5. Step 5: Solve for x
    x = 4,691,510,780.55/77,714.10
  6. Step 6: Final answer
    x = 60,368.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.