Home / 127,432.68-175,859.19-70,074.51

Finding the Fourth Proportional to 127,432.68, 175,859.19 and 70,074.51

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Solution

The fourth proportional to 127,432.68, 175,859.19 and 70,074.51 is: 96,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,432.68 : 175,859.19 = 70,074.51 : x
  2. Step 2: Convert to fraction form
    127,432.68/175,859.19 = 70,074.51/x
  3. Step 3: Cross multiply
    127,432.68x = 175,859.19 × 70,074.51
  4. Step 4: Simplify right side
    127,432.68x = 12,323,246,568.25
  5. Step 5: Solve for x
    x = 12,323,246,568.25/127,432.68
  6. Step 6: Final answer
    x = 96,703.97

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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.