Home / 90,182.43-124,448.76-49,896.27

Finding the Fourth Proportional to 90,182.43, 124,448.76 and 49,896.27

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Solution

The fourth proportional to 90,182.43, 124,448.76 and 49,896.27 is: 68,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,182.43 : 124,448.76 = 49,896.27 : x
  2. Step 2: Convert to fraction form
    90,182.43/124,448.76 = 49,896.27/x
  3. Step 3: Cross multiply
    90,182.43x = 124,448.76 × 49,896.27
  4. Step 4: Simplify right side
    90,182.43x = 6,209,528,930.13
  5. Step 5: Solve for x
    x = 6,209,528,930.13/90,182.43
  6. Step 6: Final answer
    x = 68,855.20

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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.