Home / 65,595.12-98,402.40-34,432.80

Finding the Fourth Proportional to 65,595.12, 98,402.40 and 34,432.80

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Solution

The fourth proportional to 65,595.12, 98,402.40 and 34,432.80 is: 51,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,595.12 : 98,402.40 = 34,432.80 : x
  2. Step 2: Convert to fraction form
    65,595.12/98,402.40 = 34,432.80/x
  3. Step 3: Cross multiply
    65,595.12x = 98,402.40 × 34,432.80
  4. Step 4: Simplify right side
    65,595.12x = 3,388,270,158.72
  5. Step 5: Solve for x
    x = 3,388,270,158.72/65,595.12
  6. Step 6: Final answer
    x = 51,654.30

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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.