Home / 107,477.29-161,215.75-28,591.52

Finding the Fourth Proportional to 107,477.29, 161,215.75 and 28,591.52

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Solution

The fourth proportional to 107,477.29, 161,215.75 and 28,591.52 is: 42,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,477.29 : 161,215.75 = 28,591.52 : x
  2. Step 2: Convert to fraction form
    107,477.29/161,215.75 = 28,591.52/x
  3. Step 3: Cross multiply
    107,477.29x = 161,215.75 × 28,591.52
  4. Step 4: Simplify right side
    107,477.29x = 4,609,403,316.11
  5. Step 5: Solve for x
    x = 4,609,403,316.11/107,477.29
  6. Step 6: Final answer
    x = 42,887.23

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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.