Home / 70,034.73-105,036.08-20,114.43

Finding the Fourth Proportional to 70,034.73, 105,036.08 and 20,114.43

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Solution

The fourth proportional to 70,034.73, 105,036.08 and 20,114.43 is: 30,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,034.73 : 105,036.08 = 20,114.43 : x
  2. Step 2: Convert to fraction form
    70,034.73/105,036.08 = 20,114.43/x
  3. Step 3: Cross multiply
    70,034.73x = 105,036.08 × 20,114.43
  4. Step 4: Simplify right side
    70,034.73x = 2,112,740,778.06
  5. Step 5: Solve for x
    x = 2,112,740,778.06/70,034.73
  6. Step 6: Final answer
    x = 30,167.04

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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.