Home / 92,430.18-138,624.03-25,874.91

Finding the Fourth Proportional to 92,430.18, 138,624.03 and 25,874.91

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Solution

The fourth proportional to 92,430.18, 138,624.03 and 25,874.91 is: 38,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,430.18 : 138,624.03 = 25,874.91 : x
  2. Step 2: Convert to fraction form
    92,430.18/138,624.03 = 25,874.91/x
  3. Step 3: Cross multiply
    92,430.18x = 138,624.03 × 25,874.91
  4. Step 4: Simplify right side
    92,430.18x = 3,586,884,300.09
  5. Step 5: Solve for x
    x = 3,586,884,300.09/92,430.18
  6. Step 6: Final answer
    x = 38,806.42

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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.