Home / 127,348.10-175,731.81-69,986.17

Finding the Fourth Proportional to 127,348.10, 175,731.81 and 69,986.17

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Solution

The fourth proportional to 127,348.10, 175,731.81 and 69,986.17 is: 96,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,348.10 : 175,731.81 = 69,986.17 : x
  2. Step 2: Convert to fraction form
    127,348.10/175,731.81 = 69,986.17/x
  3. Step 3: Cross multiply
    127,348.10x = 175,731.81 × 69,986.17
  4. Step 4: Simplify right side
    127,348.10x = 12,298,796,329.07
  5. Step 5: Solve for x
    x = 12,298,796,329.07/127,348.10
  6. Step 6: Final answer
    x = 96,576.21

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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.