Home / 126,938.50-175,175.13-70,358.38

Finding the Fourth Proportional to 126,938.50, 175,175.13 and 70,358.38

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Solution

The fourth proportional to 126,938.50, 175,175.13 and 70,358.38 is: 97,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,938.50 : 175,175.13 = 70,358.38 : x
  2. Step 2: Convert to fraction form
    126,938.50/175,175.13 = 70,358.38/x
  3. Step 3: Cross multiply
    126,938.50x = 175,175.13 × 70,358.38
  4. Step 4: Simplify right side
    126,938.50x = 12,325,038,363.09
  5. Step 5: Solve for x
    x = 12,325,038,363.09/126,938.50
  6. Step 6: Final answer
    x = 97,094.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.