Home / 86,213.92-118,974.06-48,488.17

Finding the Fourth Proportional to 86,213.92, 118,974.06 and 48,488.17

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Solution

The fourth proportional to 86,213.92, 118,974.06 and 48,488.17 is: 66,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.92 : 118,974.06 = 48,488.17 : x
  2. Step 2: Convert to fraction form
    86,213.92/118,974.06 = 48,488.17/x
  3. Step 3: Cross multiply
    86,213.92x = 118,974.06 × 48,488.17
  4. Step 4: Simplify right side
    86,213.92x = 5,768,834,446.87
  5. Step 5: Solve for x
    x = 5,768,834,446.87/86,213.92
  6. Step 6: Final answer
    x = 66,913.03

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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.