Home / 127,065.65-175,352.93-69,707.91

Finding the Fourth Proportional to 127,065.65, 175,352.93 and 69,707.91

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Solution

The fourth proportional to 127,065.65, 175,352.93 and 69,707.91 is: 96,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065.65 : 175,352.93 = 69,707.91 : x
  2. Step 2: Convert to fraction form
    127,065.65/175,352.93 = 69,707.91/x
  3. Step 3: Cross multiply
    127,065.65x = 175,352.93 × 69,707.91
  4. Step 4: Simplify right side
    127,065.65x = 12,223,486,262.68
  5. Step 5: Solve for x
    x = 12,223,486,262.68/127,065.65
  6. Step 6: Final answer
    x = 96,198.20

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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.