Home / 127,087.11-175,380.27-70,498.47

Finding the Fourth Proportional to 127,087.11, 175,380.27 and 70,498.47

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Solution

The fourth proportional to 127,087.11, 175,380.27 and 70,498.47 is: 97,287.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,087.11 : 175,380.27 = 70,498.47 : x
  2. Step 2: Convert to fraction form
    127,087.11/175,380.27 = 70,498.47/x
  3. Step 3: Cross multiply
    127,087.11x = 175,380.27 × 70,498.47
  4. Step 4: Simplify right side
    127,087.11x = 12,364,040,703.19
  5. Step 5: Solve for x
    x = 12,364,040,703.19/127,087.11
  6. Step 6: Final answer
    x = 97,287.92

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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.