Home / 90,116.14-124,358.98-49,829.02

Finding the Fourth Proportional to 90,116.14, 124,358.98 and 49,829.02

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Solution

The fourth proportional to 90,116.14, 124,358.98 and 49,829.02 is: 68,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,116.14 : 124,358.98 = 49,829.02 : x
  2. Step 2: Convert to fraction form
    90,116.14/124,358.98 = 49,829.02/x
  3. Step 3: Cross multiply
    90,116.14x = 124,358.98 × 49,829.02
  4. Step 4: Simplify right side
    90,116.14x = 6,196,685,230.66
  5. Step 5: Solve for x
    x = 6,196,685,230.66/90,116.14
  6. Step 6: Final answer
    x = 68,763.32

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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.