Home / 74,729.81-111,958.02-58,753.78

Finding the Fourth Proportional to 74,729.81, 111,958.02 and 58,753.78

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Solution

The fourth proportional to 74,729.81, 111,958.02 and 58,753.78 is: 88,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,729.81 : 111,958.02 = 58,753.78 : x
  2. Step 2: Convert to fraction form
    74,729.81/111,958.02 = 58,753.78/x
  3. Step 3: Cross multiply
    74,729.81x = 111,958.02 × 58,753.78
  4. Step 4: Simplify right side
    74,729.81x = 6,577,956,596.42
  5. Step 5: Solve for x
    x = 6,577,956,596.42/74,729.81
  6. Step 6: Final answer
    x = 88,023.19

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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.