Home / 89,876.31-124,029.74-49,590.09

Finding the Fourth Proportional to 89,876.31, 124,029.74 and 49,590.09

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Solution

The fourth proportional to 89,876.31, 124,029.74 and 49,590.09 is: 68,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,876.31 : 124,029.74 = 49,590.09 : x
  2. Step 2: Convert to fraction form
    89,876.31/124,029.74 = 49,590.09/x
  3. Step 3: Cross multiply
    89,876.31x = 124,029.74 × 49,590.09
  4. Step 4: Simplify right side
    89,876.31x = 6,150,645,969.28
  5. Step 5: Solve for x
    x = 6,150,645,969.28/89,876.31
  6. Step 6: Final answer
    x = 68,434.56

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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.