Home / 126,039.38-173,938.05-69,454.40

Finding the Fourth Proportional to 126,039.38, 173,938.05 and 69,454.40

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Solution

The fourth proportional to 126,039.38, 173,938.05 and 69,454.40 is: 95,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,039.38 : 173,938.05 = 69,454.40 : x
  2. Step 2: Convert to fraction form
    126,039.38/173,938.05 = 69,454.40/x
  3. Step 3: Cross multiply
    126,039.38x = 173,938.05 × 69,454.40
  4. Step 4: Simplify right side
    126,039.38x = 12,080,762,030.23
  5. Step 5: Solve for x
    x = 12,080,762,030.23/126,039.38
  6. Step 6: Final answer
    x = 95,849.11

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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.