Home / 98,514.47-135,950.12-56,073

Finding the Fourth Proportional to 98,514.47, 135,950.12 and 56,073

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Solution

The fourth proportional to 98,514.47, 135,950.12 and 56,073 is: 77,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,514.47 : 135,950.12 = 56,073 : x
  2. Step 2: Convert to fraction form
    98,514.47/135,950.12 = 56,073/x
  3. Step 3: Cross multiply
    98,514.47x = 135,950.12 × 56,073
  4. Step 4: Simplify right side
    98,514.47x = 7,623,131,218.94
  5. Step 5: Solve for x
    x = 7,623,131,218.94/98,514.47
  6. Step 6: Final answer
    x = 77,380.83

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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.