Home / 84,330.02-126,611.67-42,806.18

Finding the Fourth Proportional to 84,330.02, 126,611.67 and 42,806.18

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Solution

The fourth proportional to 84,330.02, 126,611.67 and 42,806.18 is: 64,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,330.02 : 126,611.67 = 42,806.18 : x
  2. Step 2: Convert to fraction form
    84,330.02/126,611.67 = 42,806.18/x
  3. Step 3: Cross multiply
    84,330.02x = 126,611.67 × 42,806.18
  4. Step 4: Simplify right side
    84,330.02x = 5,419,761,936.12
  5. Step 5: Solve for x
    x = 5,419,761,936.12/84,330.02
  6. Step 6: Final answer
    x = 64,268.48

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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.