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Finding the Fourth Proportional to 95,501.39, 143,264.39 and 28,929.80

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Solution

The fourth proportional to 95,501.39, 143,264.39 and 28,929.80 is: 43,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,501.39 : 143,264.39 = 28,929.80 : x
  2. Step 2: Convert to fraction form
    95,501.39/143,264.39 = 28,929.80/x
  3. Step 3: Cross multiply
    95,501.39x = 143,264.39 × 28,929.80
  4. Step 4: Simplify right side
    95,501.39x = 4,144,609,498.40
  5. Step 5: Solve for x
    x = 4,144,609,498.40/95,501.39
  6. Step 6: Final answer
    x = 43,398.42

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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.