Home / 86,543.42-129,807.82-27,370.48

Finding the Fourth Proportional to 86,543.42, 129,807.82 and 27,370.48

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Solution

The fourth proportional to 86,543.42, 129,807.82 and 27,370.48 is: 41,053.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,543.42 : 129,807.82 = 27,370.48 : x
  2. Step 2: Convert to fraction form
    86,543.42/129,807.82 = 27,370.48/x
  3. Step 3: Cross multiply
    86,543.42x = 129,807.82 × 27,370.48
  4. Step 4: Simplify right side
    86,543.42x = 3,552,902,341.15
  5. Step 5: Solve for x
    x = 3,552,902,341.15/86,543.42
  6. Step 6: Final answer
    x = 41,053.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.