Home / 88,721.60-122,448.16-50,995.04

Finding the Fourth Proportional to 88,721.60, 122,448.16 and 50,995.04

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Solution

The fourth proportional to 88,721.60, 122,448.16 and 50,995.04 is: 70,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721.60 : 122,448.16 = 50,995.04 : x
  2. Step 2: Convert to fraction form
    88,721.60/122,448.16 = 50,995.04/x
  3. Step 3: Cross multiply
    88,721.60x = 122,448.16 × 50,995.04
  4. Step 4: Simplify right side
    88,721.60x = 6,244,248,817.13
  5. Step 5: Solve for x
    x = 6,244,248,817.13/88,721.60
  6. Step 6: Final answer
    x = 70,380.25

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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.