Home / 80,792.55-121,114.10-41,262.53

Finding the Fourth Proportional to 80,792.55, 121,114.10 and 41,262.53

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Solution

The fourth proportional to 80,792.55, 121,114.10 and 41,262.53 is: 61,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,792.55 : 121,114.10 = 41,262.53 : x
  2. Step 2: Convert to fraction form
    80,792.55/121,114.10 = 41,262.53/x
  3. Step 3: Cross multiply
    80,792.55x = 121,114.10 × 41,262.53
  4. Step 4: Simplify right side
    80,792.55x = 4,997,473,682.26
  5. Step 5: Solve for x
    x = 4,997,473,682.26/80,792.55
  6. Step 6: Final answer
    x = 61,855.63

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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.