Home / 127,409.45-175,825.14-70,049.75

Finding the Fourth Proportional to 127,409.45, 175,825.14 and 70,049.75

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Solution

The fourth proportional to 127,409.45, 175,825.14 and 70,049.75 is: 96,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,409.45 : 175,825.14 = 70,049.75 : x
  2. Step 2: Convert to fraction form
    127,409.45/175,825.14 = 70,049.75/x
  3. Step 3: Cross multiply
    127,409.45x = 175,825.14 × 70,049.75
  4. Step 4: Simplify right side
    127,409.45x = 12,316,506,221.59
  5. Step 5: Solve for x
    x = 12,316,506,221.59/127,409.45
  6. Step 6: Final answer
    x = 96,668.71

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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.