Home / 104,805.74-144,634.52-57,061.71

Finding the Fourth Proportional to 104,805.74, 144,634.52 and 57,061.71

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Solution

The fourth proportional to 104,805.74, 144,634.52 and 57,061.71 is: 78,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,805.74 : 144,634.52 = 57,061.71 : x
  2. Step 2: Convert to fraction form
    104,805.74/144,634.52 = 57,061.71/x
  3. Step 3: Cross multiply
    104,805.74x = 144,634.52 × 57,061.71
  4. Step 4: Simplify right side
    104,805.74x = 8,253,092,750.92
  5. Step 5: Solve for x
    x = 8,253,092,750.92/104,805.74
  6. Step 6: Final answer
    x = 78,746.57

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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.