Home / 79,266.67-109,387.98-43,455.91

Finding the Fourth Proportional to 79,266.67, 109,387.98 and 43,455.91

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Solution

The fourth proportional to 79,266.67, 109,387.98 and 43,455.91 is: 59,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,266.67 : 109,387.98 = 43,455.91 : x
  2. Step 2: Convert to fraction form
    79,266.67/109,387.98 = 43,455.91/x
  3. Step 3: Cross multiply
    79,266.67x = 109,387.98 × 43,455.91
  4. Step 4: Simplify right side
    79,266.67x = 4,753,554,624.17
  5. Step 5: Solve for x
    x = 4,753,554,624.17/79,266.67
  6. Step 6: Final answer
    x = 59,969.15

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1.5x scale

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.