Home / 107,275.24-148,032.66-61,949.80

Finding the Fourth Proportional to 107,275.24, 148,032.66 and 61,949.80

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Solution

The fourth proportional to 107,275.24, 148,032.66 and 61,949.80 is: 85,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,275.24 : 148,032.66 = 61,949.80 : x
  2. Step 2: Convert to fraction form
    107,275.24/148,032.66 = 61,949.80/x
  3. Step 3: Cross multiply
    107,275.24x = 148,032.66 × 61,949.80
  4. Step 4: Simplify right side
    107,275.24x = 9,170,593,680.47
  5. Step 5: Solve for x
    x = 9,170,593,680.47/107,275.24
  6. Step 6: Final answer
    x = 85,486.58

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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.