Home / 90,469.65-124,863.06-50,196.36

Finding the Fourth Proportional to 90,469.65, 124,863.06 and 50,196.36

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Solution

The fourth proportional to 90,469.65, 124,863.06 and 50,196.36 is: 69,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,469.65 : 124,863.06 = 50,196.36 : x
  2. Step 2: Convert to fraction form
    90,469.65/124,863.06 = 50,196.36/x
  3. Step 3: Cross multiply
    90,469.65x = 124,863.06 × 50,196.36
  4. Step 4: Simplify right side
    90,469.65x = 6,267,671,110.46
  5. Step 5: Solve for x
    x = 6,267,671,110.46/90,469.65
  6. Step 6: Final answer
    x = 69,279.27

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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.