Home / 65,575.60-98,363.16-28,111.38

Finding the Fourth Proportional to 65,575.60, 98,363.16 and 28,111.38

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Solution

The fourth proportional to 65,575.60, 98,363.16 and 28,111.38 is: 42,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,575.60 : 98,363.16 = 28,111.38 : x
  2. Step 2: Convert to fraction form
    65,575.60/98,363.16 = 28,111.38/x
  3. Step 3: Cross multiply
    65,575.60x = 98,363.16 × 28,111.38
  4. Step 4: Simplify right side
    65,575.60x = 2,765,124,168.76
  5. Step 5: Solve for x
    x = 2,765,124,168.76/65,575.60
  6. Step 6: Final answer
    x = 42,166.97

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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.