Home / 66,929.94-100,335.30-25,406.10

Finding the Fourth Proportional to 66,929.94, 100,335.30 and 25,406.10

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Solution

The fourth proportional to 66,929.94, 100,335.30 and 25,406.10 is: 38,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,929.94 : 100,335.30 = 25,406.10 : x
  2. Step 2: Convert to fraction form
    66,929.94/100,335.30 = 25,406.10/x
  3. Step 3: Cross multiply
    66,929.94x = 100,335.30 × 25,406.10
  4. Step 4: Simplify right side
    66,929.94x = 2,549,128,665.33
  5. Step 5: Solve for x
    x = 2,549,128,665.33/66,929.94
  6. Step 6: Final answer
    x = 38,086.52

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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.