Home / 81,174.32-112,019.85-45,363.41

Finding the Fourth Proportional to 81,174.32, 112,019.85 and 45,363.41

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Solution

The fourth proportional to 81,174.32, 112,019.85 and 45,363.41 is: 62,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,174.32 : 112,019.85 = 45,363.41 : x
  2. Step 2: Convert to fraction form
    81,174.32/112,019.85 = 45,363.41/x
  3. Step 3: Cross multiply
    81,174.32x = 112,019.85 × 45,363.41
  4. Step 4: Simplify right side
    81,174.32x = 5,081,601,823.59
  5. Step 5: Solve for x
    x = 5,081,601,823.59/81,174.32
  6. Step 6: Final answer
    x = 62,601.11

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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.