Home / 80,084.02-110,489.54-51,419.74

Finding the Fourth Proportional to 80,084.02, 110,489.54 and 51,419.74

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Solution

The fourth proportional to 80,084.02, 110,489.54 and 51,419.74 is: 70,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,084.02 : 110,489.54 = 51,419.74 : x
  2. Step 2: Convert to fraction form
    80,084.02/110,489.54 = 51,419.74/x
  3. Step 3: Cross multiply
    80,084.02x = 110,489.54 × 51,419.74
  4. Step 4: Simplify right side
    80,084.02x = 5,681,343,419.52
  5. Step 5: Solve for x
    x = 5,681,343,419.52/80,084.02
  6. Step 6: Final answer
    x = 70,942.29

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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.