Home / 79,718.12-110,011.68-43,909.36

Finding the Fourth Proportional to 79,718.12, 110,011.68 and 43,909.36

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Solution

The fourth proportional to 79,718.12, 110,011.68 and 43,909.36 is: 60,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,718.12 : 110,011.68 = 43,909.36 : x
  2. Step 2: Convert to fraction form
    79,718.12/110,011.68 = 43,909.36/x
  3. Step 3: Cross multiply
    79,718.12x = 110,011.68 × 43,909.36
  4. Step 4: Simplify right side
    79,718.12x = 4,830,542,461.32
  5. Step 5: Solve for x
    x = 4,830,542,461.32/79,718.12
  6. Step 6: Final answer
    x = 60,595.29

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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.