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Finding the Fourth Proportional to 73,675.78, 110,514.44 and 58,978.13

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Solution

The fourth proportional to 73,675.78, 110,514.44 and 58,978.13 is: 88,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,675.78 : 110,514.44 = 58,978.13 : x
  2. Step 2: Convert to fraction form
    73,675.78/110,514.44 = 58,978.13/x
  3. Step 3: Cross multiply
    73,675.78x = 110,514.44 × 58,978.13
  4. Step 4: Simplify right side
    73,675.78x = 6,517,935,009.20
  5. Step 5: Solve for x
    x = 6,517,935,009.20/73,675.78
  6. Step 6: Final answer
    x = 88,467.81

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1.5x scale

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.