Home / 65,904.48-90,961.92-60,590.88

Finding the Fourth Proportional to 65,904.48, 90,961.92 and 60,590.88

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Solution

The fourth proportional to 65,904.48, 90,961.92 and 60,590.88 is: 83,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.48 : 90,961.92 = 60,590.88 : x
  2. Step 2: Convert to fraction form
    65,904.48/90,961.92 = 60,590.88/x
  3. Step 3: Cross multiply
    65,904.48x = 90,961.92 × 60,590.88
  4. Step 4: Simplify right side
    65,904.48x = 5,511,462,779.29
  5. Step 5: Solve for x
    x = 5,511,462,779.29/65,904.48
  6. Step 6: Final answer
    x = 83,628.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.