Home / 127,124.25-175,431.33-69,763.91

Finding the Fourth Proportional to 127,124.25, 175,431.33 and 69,763.91

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Solution

The fourth proportional to 127,124.25, 175,431.33 and 69,763.91 is: 96,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.25 : 175,431.33 = 69,763.91 : x
  2. Step 2: Convert to fraction form
    127,124.25/175,431.33 = 69,763.91/x
  3. Step 3: Cross multiply
    127,124.25x = 175,431.33 × 69,763.91
  4. Step 4: Simplify right side
    127,124.25x = 12,238,774,640.14
  5. Step 5: Solve for x
    x = 12,238,774,640.14/127,124.25
  6. Step 6: Final answer
    x = 96,274.11

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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.