Home / 79,700.24-109,987.11-43,891.35

Finding the Fourth Proportional to 79,700.24, 109,987.11 and 43,891.35

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Solution

The fourth proportional to 79,700.24, 109,987.11 and 43,891.35 is: 60,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,700.24 : 109,987.11 = 43,891.35 : x
  2. Step 2: Convert to fraction form
    79,700.24/109,987.11 = 43,891.35/x
  3. Step 3: Cross multiply
    79,700.24x = 109,987.11 × 43,891.35
  4. Step 4: Simplify right side
    79,700.24x = 4,827,482,740.50
  5. Step 5: Solve for x
    x = 4,827,482,740.50/79,700.24
  6. Step 6: Final answer
    x = 60,570.50

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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.