Home / 127,043.49-175,318.82-69,681.65

Finding the Fourth Proportional to 127,043.49, 175,318.82 and 69,681.65

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Solution

The fourth proportional to 127,043.49, 175,318.82 and 69,681.65 is: 96,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,043.49 : 175,318.82 = 69,681.65 : x
  2. Step 2: Convert to fraction form
    127,043.49/175,318.82 = 69,681.65/x
  3. Step 3: Cross multiply
    127,043.49x = 175,318.82 × 69,681.65
  4. Step 4: Simplify right side
    127,043.49x = 12,216,503,428.65
  5. Step 5: Solve for x
    x = 12,216,503,428.65/127,043.49
  6. Step 6: Final answer
    x = 96,160.01

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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.