Home / 115,532.70-173,007.45-75,875.10

Finding the Fourth Proportional to 115,532.70, 173,007.45 and 75,875.10

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Solution

The fourth proportional to 115,532.70, 173,007.45 and 75,875.10 is: 113,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,532.70 : 173,007.45 = 75,875.10 : x
  2. Step 2: Convert to fraction form
    115,532.70/173,007.45 = 75,875.10/x
  3. Step 3: Cross multiply
    115,532.70x = 173,007.45 × 75,875.10
  4. Step 4: Simplify right side
    115,532.70x = 13,126,957,569.50
  5. Step 5: Solve for x
    x = 13,126,957,569.50/115,532.70
  6. Step 6: Final answer
    x = 113,621.14

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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.