Home / 107,539.08-161,300.52-43,501.29

Finding the Fourth Proportional to 107,539.08, 161,300.52 and 43,501.29

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Solution

The fourth proportional to 107,539.08, 161,300.52 and 43,501.29 is: 65,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,539.08 : 161,300.52 = 43,501.29 : x
  2. Step 2: Convert to fraction form
    107,539.08/161,300.52 = 43,501.29/x
  3. Step 3: Cross multiply
    107,539.08x = 161,300.52 × 43,501.29
  4. Step 4: Simplify right side
    107,539.08x = 7,016,780,697.67
  5. Step 5: Solve for x
    x = 7,016,780,697.67/107,539.08
  6. Step 6: Final answer
    x = 65,248.66

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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.