Home / 74,102.40-111,169.52-42,527.04

Finding the Fourth Proportional to 74,102.40, 111,169.52 and 42,527.04

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Solution

The fourth proportional to 74,102.40, 111,169.52 and 42,527.04 is: 63,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.40 : 111,169.52 = 42,527.04 : x
  2. Step 2: Convert to fraction form
    74,102.40/111,169.52 = 42,527.04/x
  3. Step 3: Cross multiply
    74,102.40x = 111,169.52 × 42,527.04
  4. Step 4: Simplify right side
    74,102.40x = 4,727,710,623.82
  5. Step 5: Solve for x
    x = 4,727,710,623.82/74,102.40
  6. Step 6: Final answer
    x = 63,799.70

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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.