Home / 89,937.55-124,112.10-49,652.56

Finding the Fourth Proportional to 89,937.55, 124,112.10 and 49,652.56

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Solution

The fourth proportional to 89,937.55, 124,112.10 and 49,652.56 is: 68,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,937.55 : 124,112.10 = 49,652.56 : x
  2. Step 2: Convert to fraction form
    89,937.55/124,112.10 = 49,652.56/x
  3. Step 3: Cross multiply
    89,937.55x = 124,112.10 × 49,652.56
  4. Step 4: Simplify right side
    89,937.55x = 6,162,483,491.98
  5. Step 5: Solve for x
    x = 6,162,483,491.98/89,937.55
  6. Step 6: Final answer
    x = 68,519.58

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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.