Home / 89,183.95-123,072.45-48,898.06

Finding the Fourth Proportional to 89,183.95, 123,072.45 and 48,898.06

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Solution

The fourth proportional to 89,183.95, 123,072.45 and 48,898.06 is: 67,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.95 : 123,072.45 = 48,898.06 : x
  2. Step 2: Convert to fraction form
    89,183.95/123,072.45 = 48,898.06/x
  3. Step 3: Cross multiply
    89,183.95x = 123,072.45 × 48,898.06
  4. Step 4: Simplify right side
    89,183.95x = 6,018,004,044.45
  5. Step 5: Solve for x
    x = 6,018,004,044.45/89,183.95
  6. Step 6: Final answer
    x = 67,478.55

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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.