Home / 74,079.81-111,123.30-24,159.84

Finding the Fourth Proportional to 74,079.81, 111,123.30 and 24,159.84

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Solution

The fourth proportional to 74,079.81, 111,123.30 and 24,159.84 is: 36,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,079.81 : 111,123.30 = 24,159.84 : x
  2. Step 2: Convert to fraction form
    74,079.81/111,123.30 = 24,159.84/x
  3. Step 3: Cross multiply
    74,079.81x = 111,123.30 × 24,159.84
  4. Step 4: Simplify right side
    74,079.81x = 2,684,721,148.27
  5. Step 5: Solve for x
    x = 2,684,721,148.27/74,079.81
  6. Step 6: Final answer
    x = 36,240.93

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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.