Home / 90,115.98-124,354.71-49,826.58

Finding the Fourth Proportional to 90,115.98, 124,354.71 and 49,826.58

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Solution

The fourth proportional to 90,115.98, 124,354.71 and 49,826.58 is: 68,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,115.98 : 124,354.71 = 49,826.58 : x
  2. Step 2: Convert to fraction form
    90,115.98/124,354.71 = 49,826.58/x
  3. Step 3: Cross multiply
    90,115.98x = 124,354.71 × 49,826.58
  4. Step 4: Simplify right side
    90,115.98x = 6,196,169,906.19
  5. Step 5: Solve for x
    x = 6,196,169,906.19/90,115.98
  6. Step 6: Final answer
    x = 68,757.73

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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.