Home / 104,747.94-144,552.06-57,001.20

Finding the Fourth Proportional to 104,747.94, 144,552.06 and 57,001.20

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Solution

The fourth proportional to 104,747.94, 144,552.06 and 57,001.20 is: 78,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,747.94 : 144,552.06 = 57,001.20 : x
  2. Step 2: Convert to fraction form
    104,747.94/144,552.06 = 57,001.20/x
  3. Step 3: Cross multiply
    104,747.94x = 144,552.06 × 57,001.20
  4. Step 4: Simplify right side
    104,747.94x = 8,239,640,882.47
  5. Step 5: Solve for x
    x = 8,239,640,882.47/104,747.94
  6. Step 6: Final answer
    x = 78,661.60

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1.5x scale

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.