Home / 79,371.11-109,538.85-43,567.18

Finding the Fourth Proportional to 79,371.11, 109,538.85 and 43,567.18

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Solution

The fourth proportional to 79,371.11, 109,538.85 and 43,567.18 is: 60,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,371.11 : 109,538.85 = 43,567.18 : x
  2. Step 2: Convert to fraction form
    79,371.11/109,538.85 = 43,567.18/x
  3. Step 3: Cross multiply
    79,371.11x = 109,538.85 × 43,567.18
  4. Step 4: Simplify right side
    79,371.11x = 4,772,299,068.79
  5. Step 5: Solve for x
    x = 4,772,299,068.79/79,371.11
  6. Step 6: Final answer
    x = 60,126.40

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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.