Home / 107,871.13-161,679.61-48,637.45

Finding the Fourth Proportional to 107,871.13, 161,679.61 and 48,637.45

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Solution

The fourth proportional to 107,871.13, 161,679.61 and 48,637.45 is: 72,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,871.13 : 161,679.61 = 48,637.45 : x
  2. Step 2: Convert to fraction form
    107,871.13/161,679.61 = 48,637.45/x
  3. Step 3: Cross multiply
    107,871.13x = 161,679.61 × 48,637.45
  4. Step 4: Simplify right side
    107,871.13x = 7,863,683,947.39
  5. Step 5: Solve for x
    x = 7,863,683,947.39/107,871.13
  6. Step 6: Final answer
    x = 72,898.87

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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.