Home / 105,037.48-144,951.62-57,290.68

Finding the Fourth Proportional to 105,037.48, 144,951.62 and 57,290.68

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Solution

The fourth proportional to 105,037.48, 144,951.62 and 57,290.68 is: 79,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,037.48 : 144,951.62 = 57,290.68 : x
  2. Step 2: Convert to fraction form
    105,037.48/144,951.62 = 57,290.68/x
  3. Step 3: Cross multiply
    105,037.48x = 144,951.62 × 57,290.68
  4. Step 4: Simplify right side
    105,037.48x = 8,304,376,876.90
  5. Step 5: Solve for x
    x = 8,304,376,876.90/105,037.48
  6. Step 6: Final answer
    x = 79,061.08

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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.