Home / 127,407.25-175,822.12-70,047.55

Finding the Fourth Proportional to 127,407.25, 175,822.12 and 70,047.55

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Solution

The fourth proportional to 127,407.25, 175,822.12 and 70,047.55 is: 96,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,407.25 : 175,822.12 = 70,047.55 : x
  2. Step 2: Convert to fraction form
    127,407.25/175,822.12 = 70,047.55/x
  3. Step 3: Cross multiply
    127,407.25x = 175,822.12 × 70,047.55
  4. Step 4: Simplify right side
    127,407.25x = 12,315,909,049.14
  5. Step 5: Solve for x
    x = 12,315,909,049.14/127,407.25
  6. Step 6: Final answer
    x = 96,665.68

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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.