Home / 88,448.61-122,042.40-52,161.47

Finding the Fourth Proportional to 88,448.61, 122,042.40 and 52,161.47

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Solution

The fourth proportional to 88,448.61, 122,042.40 and 52,161.47 is: 71,972.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,448.61 : 122,042.40 = 52,161.47 : x
  2. Step 2: Convert to fraction form
    88,448.61/122,042.40 = 52,161.47/x
  3. Step 3: Cross multiply
    88,448.61x = 122,042.40 × 52,161.47
  4. Step 4: Simplify right side
    88,448.61x = 6,365,910,638.17
  5. Step 5: Solve for x
    x = 6,365,910,638.17/88,448.61
  6. Step 6: Final answer
    x = 71,972.99

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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.