Home / 89,944.16-124,122.24-49,658

Finding the Fourth Proportional to 89,944.16, 124,122.24 and 49,658

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Solution

The fourth proportional to 89,944.16, 124,122.24 and 49,658 is: 68,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,944.16 : 124,122.24 = 49,658 : x
  2. Step 2: Convert to fraction form
    89,944.16/124,122.24 = 49,658/x
  3. Step 3: Cross multiply
    89,944.16x = 124,122.24 × 49,658
  4. Step 4: Simplify right side
    89,944.16x = 6,163,662,193.92
  5. Step 5: Solve for x
    x = 6,163,662,193.92/89,944.16
  6. Step 6: Final answer
    x = 68,527.65

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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.