Home / 62,282.40-86,115.60-54,409.20

Finding the Fourth Proportional to 62,282.40, 86,115.60 and 54,409.20

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Solution

The fourth proportional to 62,282.40, 86,115.60 and 54,409.20 is: 75,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,282.40 : 86,115.60 = 54,409.20 : x
  2. Step 2: Convert to fraction form
    62,282.40/86,115.60 = 54,409.20/x
  3. Step 3: Cross multiply
    62,282.40x = 86,115.60 × 54,409.20
  4. Step 4: Simplify right side
    62,282.40x = 4,685,480,903.52
  5. Step 5: Solve for x
    x = 4,685,480,903.52/62,282.40
  6. Step 6: Final answer
    x = 75,229.61

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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.