Home / 115,872.60-173,812.14-40,982.16

Finding the Fourth Proportional to 115,872.60, 173,812.14 and 40,982.16

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Solution

The fourth proportional to 115,872.60, 173,812.14 and 40,982.16 is: 61,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,872.60 : 173,812.14 = 40,982.16 : x
  2. Step 2: Convert to fraction form
    115,872.60/173,812.14 = 40,982.16/x
  3. Step 3: Cross multiply
    115,872.60x = 173,812.14 × 40,982.16
  4. Step 4: Simplify right side
    115,872.60x = 7,123,196,931.42
  5. Step 5: Solve for x
    x = 7,123,196,931.42/115,872.60
  6. Step 6: Final answer
    x = 61,474.39

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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.