Home / 110,965.13-153,124.18-62,568.78

Finding the Fourth Proportional to 110,965.13, 153,124.18 and 62,568.78

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Solution

The fourth proportional to 110,965.13, 153,124.18 and 62,568.78 is: 86,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,965.13 : 153,124.18 = 62,568.78 : x
  2. Step 2: Convert to fraction form
    110,965.13/153,124.18 = 62,568.78/x
  3. Step 3: Cross multiply
    110,965.13x = 153,124.18 × 62,568.78
  4. Step 4: Simplify right side
    110,965.13x = 9,580,793,131.10
  5. Step 5: Solve for x
    x = 9,580,793,131.10/110,965.13
  6. Step 6: Final answer
    x = 86,340.58

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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.