Home / 74,575.95-111,864.15-18,416.07

Finding the Fourth Proportional to 74,575.95, 111,864.15 and 18,416.07

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Solution

The fourth proportional to 74,575.95, 111,864.15 and 18,416.07 is: 27,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.95 : 111,864.15 = 18,416.07 : x
  2. Step 2: Convert to fraction form
    74,575.95/111,864.15 = 18,416.07/x
  3. Step 3: Cross multiply
    74,575.95x = 111,864.15 × 18,416.07
  4. Step 4: Simplify right side
    74,575.95x = 2,060,098,016.89
  5. Step 5: Solve for x
    x = 2,060,098,016.89/74,575.95
  6. Step 6: Final answer
    x = 27,624.16

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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.