Home / 107,243.06-148,002.42-61,922.95

Finding the Fourth Proportional to 107,243.06, 148,002.42 and 61,922.95

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Solution

The fourth proportional to 107,243.06, 148,002.42 and 61,922.95 is: 85,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,243.06 : 148,002.42 = 61,922.95 : x
  2. Step 2: Convert to fraction form
    107,243.06/148,002.42 = 61,922.95/x
  3. Step 3: Cross multiply
    107,243.06x = 148,002.42 × 61,922.95
  4. Step 4: Simplify right side
    107,243.06x = 9,164,746,315.74
  5. Step 5: Solve for x
    x = 9,164,746,315.74/107,243.06
  6. Step 6: Final answer
    x = 85,457.71

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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.