Home / 89,958.03-124,131.20-49,668.63

Finding the Fourth Proportional to 89,958.03, 124,131.20 and 49,668.63

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Solution

The fourth proportional to 89,958.03, 124,131.20 and 49,668.63 is: 68,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,958.03 : 124,131.20 = 49,668.63 : x
  2. Step 2: Convert to fraction form
    89,958.03/124,131.20 = 49,668.63/x
  3. Step 3: Cross multiply
    89,958.03x = 124,131.20 × 49,668.63
  4. Step 4: Simplify right side
    89,958.03x = 6,165,426,395.91
  5. Step 5: Solve for x
    x = 6,165,426,395.91/89,958.03
  6. Step 6: Final answer
    x = 68,536.70

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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.