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Finding the Fourth Proportional to 71,752.75, 107,558.85 and 26,741.15

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Solution

The fourth proportional to 71,752.75, 107,558.85 and 26,741.15 is: 40,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,752.75 : 107,558.85 = 26,741.15 : x
  2. Step 2: Convert to fraction form
    71,752.75/107,558.85 = 26,741.15/x
  3. Step 3: Cross multiply
    71,752.75x = 107,558.85 × 26,741.15
  4. Step 4: Simplify right side
    71,752.75x = 2,876,247,307.51
  5. Step 5: Solve for x
    x = 2,876,247,307.51/71,752.75
  6. Step 6: Final answer
    x = 40,085.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.