Home / 78,034.16-107,686.68-44,499.44

Finding the Fourth Proportional to 78,034.16, 107,686.68 and 44,499.44

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Solution

The fourth proportional to 78,034.16, 107,686.68 and 44,499.44 is: 61,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,034.16 : 107,686.68 = 44,499.44 : x
  2. Step 2: Convert to fraction form
    78,034.16/107,686.68 = 44,499.44/x
  3. Step 3: Cross multiply
    78,034.16x = 107,686.68 × 44,499.44
  4. Step 4: Simplify right side
    78,034.16x = 4,791,996,955.46
  5. Step 5: Solve for x
    x = 4,791,996,955.46/78,034.16
  6. Step 6: Final answer
    x = 61,408.96

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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.