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Finding the Fourth Proportional to 57,995.90, 80,072.90 and 44,543.10

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Solution

The fourth proportional to 57,995.90, 80,072.90 and 44,543.10 is: 61,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,995.90 : 80,072.90 = 44,543.10 : x
  2. Step 2: Convert to fraction form
    57,995.90/80,072.90 = 44,543.10/x
  3. Step 3: Cross multiply
    57,995.90x = 80,072.90 × 44,543.10
  4. Step 4: Simplify right side
    57,995.90x = 3,566,695,191.99
  5. Step 5: Solve for x
    x = 3,566,695,191.99/57,995.90
  6. Step 6: Final answer
    x = 61,499.09

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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.