Home / 79,154.11-109,235.15-43,347.52

Finding the Fourth Proportional to 79,154.11, 109,235.15 and 43,347.52

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Solution

The fourth proportional to 79,154.11, 109,235.15 and 43,347.52 is: 59,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,154.11 : 109,235.15 = 43,347.52 : x
  2. Step 2: Convert to fraction form
    79,154.11/109,235.15 = 43,347.52/x
  3. Step 3: Cross multiply
    79,154.11x = 109,235.15 × 43,347.52
  4. Step 4: Simplify right side
    79,154.11x = 4,735,072,849.33
  5. Step 5: Solve for x
    x = 4,735,072,849.33/79,154.11
  6. Step 6: Final answer
    x = 59,820.93

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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.