Home / 95,561.78-131,878.40-52,543.08

Finding the Fourth Proportional to 95,561.78, 131,878.40 and 52,543.08

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Solution

The fourth proportional to 95,561.78, 131,878.40 and 52,543.08 is: 72,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,561.78 : 131,878.40 = 52,543.08 : x
  2. Step 2: Convert to fraction form
    95,561.78/131,878.40 = 52,543.08/x
  3. Step 3: Cross multiply
    95,561.78x = 131,878.40 × 52,543.08
  4. Step 4: Simplify right side
    95,561.78x = 6,929,297,058.76
  5. Step 5: Solve for x
    x = 6,929,297,058.76/95,561.78
  6. Step 6: Final answer
    x = 72,511.18

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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.