Home / 110,959.16-153,203.82-68,575.80

Finding the Fourth Proportional to 110,959.16, 153,203.82 and 68,575.80

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Solution

The fourth proportional to 110,959.16, 153,203.82 and 68,575.80 is: 94,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,959.16 : 153,203.82 = 68,575.80 : x
  2. Step 2: Convert to fraction form
    110,959.16/153,203.82 = 68,575.80/x
  3. Step 3: Cross multiply
    110,959.16x = 153,203.82 × 68,575.80
  4. Step 4: Simplify right side
    110,959.16x = 10,506,074,519.56
  5. Step 5: Solve for x
    x = 10,506,074,519.56/110,959.16
  6. Step 6: Final answer
    x = 94,684.16

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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.