Home / 97,626.60-146,374.29-38,431.80

Finding the Fourth Proportional to 97,626.60, 146,374.29 and 38,431.80

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Solution

The fourth proportional to 97,626.60, 146,374.29 and 38,431.80 is: 57,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,626.60 : 146,374.29 = 38,431.80 : x
  2. Step 2: Convert to fraction form
    97,626.60/146,374.29 = 38,431.80/x
  3. Step 3: Cross multiply
    97,626.60x = 146,374.29 × 38,431.80
  4. Step 4: Simplify right side
    97,626.60x = 5,625,427,438.42
  5. Step 5: Solve for x
    x = 5,625,427,438.42/97,626.60
  6. Step 6: Final answer
    x = 57,621.87

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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.