Home / 87,653.84-120,955.56-51,841.04

Finding the Fourth Proportional to 87,653.84, 120,955.56 and 51,841.04

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Solution

The fourth proportional to 87,653.84, 120,955.56 and 51,841.04 is: 71,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,653.84 : 120,955.56 = 51,841.04 : x
  2. Step 2: Convert to fraction form
    87,653.84/120,955.56 = 51,841.04/x
  3. Step 3: Cross multiply
    87,653.84x = 120,955.56 × 51,841.04
  4. Step 4: Simplify right side
    87,653.84x = 6,270,462,024.18
  5. Step 5: Solve for x
    x = 6,270,462,024.18/87,653.84
  6. Step 6: Final answer
    x = 71,536.65

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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.