Home / 89,814.74-123,941.48-49,530.20

Finding the Fourth Proportional to 89,814.74, 123,941.48 and 49,530.20

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Solution

The fourth proportional to 89,814.74, 123,941.48 and 49,530.20 is: 68,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,814.74 : 123,941.48 = 49,530.20 : x
  2. Step 2: Convert to fraction form
    89,814.74/123,941.48 = 49,530.20/x
  3. Step 3: Cross multiply
    89,814.74x = 123,941.48 × 49,530.20
  4. Step 4: Simplify right side
    89,814.74x = 6,138,846,292.70
  5. Step 5: Solve for x
    x = 6,138,846,292.70/89,814.74
  6. Step 6: Final answer
    x = 68,350.10

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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.