Home / 107,701.56-161,554.50-28,815.66

Finding the Fourth Proportional to 107,701.56, 161,554.50 and 28,815.66

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Solution

The fourth proportional to 107,701.56, 161,554.50 and 28,815.66 is: 43,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,701.56 : 161,554.50 = 28,815.66 : x
  2. Step 2: Convert to fraction form
    107,701.56/161,554.50 = 28,815.66/x
  3. Step 3: Cross multiply
    107,701.56x = 161,554.50 × 28,815.66
  4. Step 4: Simplify right side
    107,701.56x = 4,655,299,543.47
  5. Step 5: Solve for x
    x = 4,655,299,543.47/107,701.56
  6. Step 6: Final answer
    x = 43,224.07

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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.