Home / 65,195.21-89,966.27-40,039.85

Finding the Fourth Proportional to 65,195.21, 89,966.27 and 40,039.85

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Solution

The fourth proportional to 65,195.21, 89,966.27 and 40,039.85 is: 55,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,195.21 : 89,966.27 = 40,039.85 : x
  2. Step 2: Convert to fraction form
    65,195.21/89,966.27 = 40,039.85/x
  3. Step 3: Cross multiply
    65,195.21x = 89,966.27 × 40,039.85
  4. Step 4: Simplify right side
    65,195.21x = 3,602,235,305.83
  5. Step 5: Solve for x
    x = 3,602,235,305.83/65,195.21
  6. Step 6: Final answer
    x = 55,253.07

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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.