Home / 86,947.92-119,981.28-48,704.49

Finding the Fourth Proportional to 86,947.92, 119,981.28 and 48,704.49

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Solution

The fourth proportional to 86,947.92, 119,981.28 and 48,704.49 is: 67,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,947.92 : 119,981.28 = 48,704.49 : x
  2. Step 2: Convert to fraction form
    86,947.92/119,981.28 = 48,704.49/x
  3. Step 3: Cross multiply
    86,947.92x = 119,981.28 × 48,704.49
  4. Step 4: Simplify right side
    86,947.92x = 5,843,627,051.95
  5. Step 5: Solve for x
    x = 5,843,627,051.95/86,947.92
  6. Step 6: Final answer
    x = 67,208.36

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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.