Home / 90,029.52-124,246.58-49,743.27

Finding the Fourth Proportional to 90,029.52, 124,246.58 and 49,743.27

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Solution

The fourth proportional to 90,029.52, 124,246.58 and 49,743.27 is: 68,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,029.52 : 124,246.58 = 49,743.27 : x
  2. Step 2: Convert to fraction form
    90,029.52/124,246.58 = 49,743.27/x
  3. Step 3: Cross multiply
    90,029.52x = 124,246.58 × 49,743.27
  4. Step 4: Simplify right side
    90,029.52x = 6,180,430,926.80
  5. Step 5: Solve for x
    x = 6,180,430,926.80/90,029.52
  6. Step 6: Final answer
    x = 68,648.94

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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.