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Finding the Fourth Proportional to 80,703.78, 111,360.36 and 44,889.24

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Solution

The fourth proportional to 80,703.78, 111,360.36 and 44,889.24 is: 61,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,703.78 : 111,360.36 = 44,889.24 : x
  2. Step 2: Convert to fraction form
    80,703.78/111,360.36 = 44,889.24/x
  3. Step 3: Cross multiply
    80,703.78x = 111,360.36 × 44,889.24
  4. Step 4: Simplify right side
    80,703.78x = 4,998,881,926.53
  5. Step 5: Solve for x
    x = 4,998,881,926.53/80,703.78
  6. Step 6: Final answer
    x = 61,941.11

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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.