Home / 107,420.18-161,130.33-40,844.93

Finding the Fourth Proportional to 107,420.18, 161,130.33 and 40,844.93

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Solution

The fourth proportional to 107,420.18, 161,130.33 and 40,844.93 is: 61,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,420.18 : 161,130.33 = 40,844.93 : x
  2. Step 2: Convert to fraction form
    107,420.18/161,130.33 = 40,844.93/x
  3. Step 3: Cross multiply
    107,420.18x = 161,130.33 × 40,844.93
  4. Step 4: Simplify right side
    107,420.18x = 6,581,357,049.73
  5. Step 5: Solve for x
    x = 6,581,357,049.73/107,420.18
  6. Step 6: Final answer
    x = 61,267.42

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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.