Home / 73,078.26-100,837.20-42,852.18

Finding the Fourth Proportional to 73,078.26, 100,837.20 and 42,852.18

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Solution

The fourth proportional to 73,078.26, 100,837.20 and 42,852.18 is: 59,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,078.26 : 100,837.20 = 42,852.18 : x
  2. Step 2: Convert to fraction form
    73,078.26/100,837.20 = 42,852.18/x
  3. Step 3: Cross multiply
    73,078.26x = 100,837.20 × 42,852.18
  4. Step 4: Simplify right side
    73,078.26x = 4,321,093,845.10
  5. Step 5: Solve for x
    x = 4,321,093,845.10/73,078.26
  6. Step 6: Final answer
    x = 59,129.68

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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.