Home / 81,047.79-121,568.04-24,885.63

Finding the Fourth Proportional to 81,047.79, 121,568.04 and 24,885.63

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Solution

The fourth proportional to 81,047.79, 121,568.04 and 24,885.63 is: 37,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,047.79 : 121,568.04 = 24,885.63 : x
  2. Step 2: Convert to fraction form
    81,047.79/121,568.04 = 24,885.63/x
  3. Step 3: Cross multiply
    81,047.79x = 121,568.04 × 24,885.63
  4. Step 4: Simplify right side
    81,047.79x = 3,025,297,263.27
  5. Step 5: Solve for x
    x = 3,025,297,263.27/81,047.79
  6. Step 6: Final answer
    x = 37,327.33

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1.5x scale

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.