Home / 127,409.38-175,825.06-70,049.68

Finding the Fourth Proportional to 127,409.38, 175,825.06 and 70,049.68

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Solution

The fourth proportional to 127,409.38, 175,825.06 and 70,049.68 is: 96,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,409.38 : 175,825.06 = 70,049.68 : x
  2. Step 2: Convert to fraction form
    127,409.38/175,825.06 = 70,049.68/x
  3. Step 3: Cross multiply
    127,409.38x = 175,825.06 × 70,049.68
  4. Step 4: Simplify right side
    127,409.38x = 12,316,489,188.98
  5. Step 5: Solve for x
    x = 12,316,489,188.98/127,409.38
  6. Step 6: Final answer
    x = 96,668.62

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1.5x scale

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.