Home / 64,381.06-88,841.04-36,081.28

Finding the Fourth Proportional to 64,381.06, 88,841.04 and 36,081.28

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Solution

The fourth proportional to 64,381.06, 88,841.04 and 36,081.28 is: 49,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,381.06 : 88,841.04 = 36,081.28 : x
  2. Step 2: Convert to fraction form
    64,381.06/88,841.04 = 36,081.28/x
  3. Step 3: Cross multiply
    64,381.06x = 88,841.04 × 36,081.28
  4. Step 4: Simplify right side
    64,381.06x = 3,205,498,415.48
  5. Step 5: Solve for x
    x = 3,205,498,415.48/64,381.06
  6. Step 6: Final answer
    x = 49,789.46

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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.