Home / 84,872.75-117,126.27-49,064.27

Finding the Fourth Proportional to 84,872.75, 117,126.27 and 49,064.27

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Solution

The fourth proportional to 84,872.75, 117,126.27 and 49,064.27 is: 67,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,872.75 : 117,126.27 = 49,064.27 : x
  2. Step 2: Convert to fraction form
    84,872.75/117,126.27 = 49,064.27/x
  3. Step 3: Cross multiply
    84,872.75x = 117,126.27 × 49,064.27
  4. Step 4: Simplify right side
    84,872.75x = 5,746,714,349.74
  5. Step 5: Solve for x
    x = 5,746,714,349.74/84,872.75
  6. Step 6: Final answer
    x = 67,709.77

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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.