Home / 105,348.24-145,377.78-62,329.95

Finding the Fourth Proportional to 105,348.24, 145,377.78 and 62,329.95

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Solution

The fourth proportional to 105,348.24, 145,377.78 and 62,329.95 is: 86,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,348.24 : 145,377.78 = 62,329.95 : x
  2. Step 2: Convert to fraction form
    105,348.24/145,377.78 = 62,329.95/x
  3. Step 3: Cross multiply
    105,348.24x = 145,377.78 × 62,329.95
  4. Step 4: Simplify right side
    105,348.24x = 9,061,389,758.51
  5. Step 5: Solve for x
    x = 9,061,389,758.51/105,348.24
  6. Step 6: Final answer
    x = 86,013.68

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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.