Home / 89,389.54-123,358.26-49,103.74

Finding the Fourth Proportional to 89,389.54, 123,358.26 and 49,103.74

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Solution

The fourth proportional to 89,389.54, 123,358.26 and 49,103.74 is: 67,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,389.54 : 123,358.26 = 49,103.74 : x
  2. Step 2: Convert to fraction form
    89,389.54/123,358.26 = 49,103.74/x
  3. Step 3: Cross multiply
    89,389.54x = 123,358.26 × 49,103.74
  4. Step 4: Simplify right side
    89,389.54x = 6,057,351,925.89
  5. Step 5: Solve for x
    x = 6,057,351,925.89/89,389.54
  6. Step 6: Final answer
    x = 67,763.54

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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.