Home / 89,999.57-124,197.03-49,712.47

Finding the Fourth Proportional to 89,999.57, 124,197.03 and 49,712.47

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Solution

The fourth proportional to 89,999.57, 124,197.03 and 49,712.47 is: 68,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,999.57 : 124,197.03 = 49,712.47 : x
  2. Step 2: Convert to fraction form
    89,999.57/124,197.03 = 49,712.47/x
  3. Step 3: Cross multiply
    89,999.57x = 124,197.03 × 49,712.47
  4. Step 4: Simplify right side
    89,999.57x = 6,174,140,258.42
  5. Step 5: Solve for x
    x = 6,174,140,258.42/89,999.57
  6. Step 6: Final answer
    x = 68,601.89

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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.