Home / 110,871.72-153,010.02-63,129.24

Finding the Fourth Proportional to 110,871.72, 153,010.02 and 63,129.24

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Solution

The fourth proportional to 110,871.72, 153,010.02 and 63,129.24 is: 87,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,871.72 : 153,010.02 = 63,129.24 : x
  2. Step 2: Convert to fraction form
    110,871.72/153,010.02 = 63,129.24/x
  3. Step 3: Cross multiply
    110,871.72x = 153,010.02 × 63,129.24
  4. Step 4: Simplify right side
    110,871.72x = 9,659,406,274.98
  5. Step 5: Solve for x
    x = 9,659,406,274.98/110,871.72
  6. Step 6: Final answer
    x = 87,122.36

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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.