Home / 104,966.68-144,853.12-57,220.04

Finding the Fourth Proportional to 104,966.68, 144,853.12 and 57,220.04

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Solution

The fourth proportional to 104,966.68, 144,853.12 and 57,220.04 is: 78,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,966.68 : 144,853.12 = 57,220.04 : x
  2. Step 2: Convert to fraction form
    104,966.68/144,853.12 = 57,220.04/x
  3. Step 3: Cross multiply
    104,966.68x = 144,853.12 × 57,220.04
  4. Step 4: Simplify right side
    104,966.68x = 8,288,501,320.52
  5. Step 5: Solve for x
    x = 8,288,501,320.52/104,966.68
  6. Step 6: Final answer
    x = 78,963.17

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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.