Home / 90,668.48-125,123.04-49,832.17

Finding the Fourth Proportional to 90,668.48, 125,123.04 and 49,832.17

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Solution

The fourth proportional to 90,668.48, 125,123.04 and 49,832.17 is: 68,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,668.48 : 125,123.04 = 49,832.17 : x
  2. Step 2: Convert to fraction form
    90,668.48/125,123.04 = 49,832.17/x
  3. Step 3: Cross multiply
    90,668.48x = 125,123.04 × 49,832.17
  4. Step 4: Simplify right side
    90,668.48x = 6,235,151,974.58
  5. Step 5: Solve for x
    x = 6,235,151,974.58/90,668.48
  6. Step 6: Final answer
    x = 68,768.68

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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.