Home / 74,102.40-111,171.29-24,182.59

Finding the Fourth Proportional to 74,102.40, 111,171.29 and 24,182.59

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Solution

The fourth proportional to 74,102.40, 111,171.29 and 24,182.59 is: 36,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.40 : 111,171.29 = 24,182.59 : x
  2. Step 2: Convert to fraction form
    74,102.40/111,171.29 = 24,182.59/x
  3. Step 3: Cross multiply
    74,102.40x = 111,171.29 × 24,182.59
  4. Step 4: Simplify right side
    74,102.40x = 2,688,409,848.12
  5. Step 5: Solve for x
    x = 2,688,409,848.12/74,102.40
  6. Step 6: Final answer
    x = 36,279.66

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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.