Home / 60,948.60-91,400.14-20,956.26

Finding the Fourth Proportional to 60,948.60, 91,400.14 and 20,956.26

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Solution

The fourth proportional to 60,948.60, 91,400.14 and 20,956.26 is: 31,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,948.60 : 91,400.14 = 20,956.26 : x
  2. Step 2: Convert to fraction form
    60,948.60/91,400.14 = 20,956.26/x
  3. Step 3: Cross multiply
    60,948.60x = 91,400.14 × 20,956.26
  4. Step 4: Simplify right side
    60,948.60x = 1,915,405,097.88
  5. Step 5: Solve for x
    x = 1,915,405,097.88/60,948.60
  6. Step 6: Final answer
    x = 31,426.56

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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.