Home / 89,837.61-134,858.48-45,514.41

Finding the Fourth Proportional to 89,837.61, 134,858.48 and 45,514.41

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Solution

The fourth proportional to 89,837.61, 134,858.48 and 45,514.41 is: 68,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,837.61 : 134,858.48 = 45,514.41 : x
  2. Step 2: Convert to fraction form
    89,837.61/134,858.48 = 45,514.41/x
  3. Step 3: Cross multiply
    89,837.61x = 134,858.48 × 45,514.41
  4. Step 4: Simplify right side
    89,837.61x = 6,138,003,923.12
  5. Step 5: Solve for x
    x = 6,138,003,923.12/89,837.61
  6. Step 6: Final answer
    x = 68,323.32

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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.