Home / 86,949.59-120,000.06-48,715.38

Finding the Fourth Proportional to 86,949.59, 120,000.06 and 48,715.38

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Solution

The fourth proportional to 86,949.59, 120,000.06 and 48,715.38 is: 67,232.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,949.59 : 120,000.06 = 48,715.38 : x
  2. Step 2: Convert to fraction form
    86,949.59/120,000.06 = 48,715.38/x
  3. Step 3: Cross multiply
    86,949.59x = 120,000.06 × 48,715.38
  4. Step 4: Simplify right side
    86,949.59x = 5,845,848,522.92
  5. Step 5: Solve for x
    x = 5,845,848,522.92/86,949.59
  6. Step 6: Final answer
    x = 67,232.62

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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.