Home / 79,008.16-109,033.20-43,199.68

Finding the Fourth Proportional to 79,008.16, 109,033.20 and 43,199.68

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Solution

The fourth proportional to 79,008.16, 109,033.20 and 43,199.68 is: 59,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,008.16 : 109,033.20 = 43,199.68 : x
  2. Step 2: Convert to fraction form
    79,008.16/109,033.20 = 43,199.68/x
  3. Step 3: Cross multiply
    79,008.16x = 109,033.20 × 43,199.68
  4. Step 4: Simplify right side
    79,008.16x = 4,710,199,349.38
  5. Step 5: Solve for x
    x = 4,710,199,349.38/79,008.16
  6. Step 6: Final answer
    x = 59,616.62

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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.