Home / 126,849.87-175,064.67-70,261.29

Finding the Fourth Proportional to 126,849.87, 175,064.67 and 70,261.29

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Solution

The fourth proportional to 126,849.87, 175,064.67 and 70,261.29 is: 96,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,849.87 : 175,064.67 = 70,261.29 : x
  2. Step 2: Convert to fraction form
    126,849.87/175,064.67 = 70,261.29/x
  3. Step 3: Cross multiply
    126,849.87x = 175,064.67 × 70,261.29
  4. Step 4: Simplify right side
    126,849.87x = 12,300,269,547.62
  5. Step 5: Solve for x
    x = 12,300,269,547.62/126,849.87
  6. Step 6: Final answer
    x = 96,967.14

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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.