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Finding the Fourth Proportional to 80,622.68, 111,259.27 and 44,812.74

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Solution

The fourth proportional to 80,622.68, 111,259.27 and 44,812.74 is: 61,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622.68 : 111,259.27 = 44,812.74 : x
  2. Step 2: Convert to fraction form
    80,622.68/111,259.27 = 44,812.74/x
  3. Step 3: Cross multiply
    80,622.68x = 111,259.27 × 44,812.74
  4. Step 4: Simplify right side
    80,622.68x = 4,985,833,212.34
  5. Step 5: Solve for x
    x = 4,985,833,212.34/80,622.68
  6. Step 6: Final answer
    x = 61,841.58

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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.