Home / 74,248.08-111,370.25-21,658.02

Finding the Fourth Proportional to 74,248.08, 111,370.25 and 21,658.02

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Solution

The fourth proportional to 74,248.08, 111,370.25 and 21,658.02 is: 32,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248.08 : 111,370.25 = 21,658.02 : x
  2. Step 2: Convert to fraction form
    74,248.08/111,370.25 = 21,658.02/x
  3. Step 3: Cross multiply
    74,248.08x = 111,370.25 × 21,658.02
  4. Step 4: Simplify right side
    74,248.08x = 2,412,058,993.61
  5. Step 5: Solve for x
    x = 2,412,058,993.61/74,248.08
  6. Step 6: Final answer
    x = 32,486.48

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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.