Home / 107,631.40-161,504.70-48,476.20

Finding the Fourth Proportional to 107,631.40, 161,504.70 and 48,476.20

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Solution

The fourth proportional to 107,631.40, 161,504.70 and 48,476.20 is: 72,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,631.40 : 161,504.70 = 48,476.20 : x
  2. Step 2: Convert to fraction form
    107,631.40/161,504.70 = 48,476.20/x
  3. Step 3: Cross multiply
    107,631.40x = 161,504.70 × 48,476.20
  4. Step 4: Simplify right side
    107,631.40x = 7,829,134,138.14
  5. Step 5: Solve for x
    x = 7,829,134,138.14/107,631.40
  6. Step 6: Final answer
    x = 72,740.24

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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.