Home / 66,414.20-91,768.26-53,095.40

Finding the Fourth Proportional to 66,414.20, 91,768.26 and 53,095.40

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Solution

The fourth proportional to 66,414.20, 91,768.26 and 53,095.40 is: 73,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,414.20 : 91,768.26 = 53,095.40 : x
  2. Step 2: Convert to fraction form
    66,414.20/91,768.26 = 53,095.40/x
  3. Step 3: Cross multiply
    66,414.20x = 91,768.26 × 53,095.40
  4. Step 4: Simplify right side
    66,414.20x = 4,872,472,472.00
  5. Step 5: Solve for x
    x = 4,872,472,472.00/66,414.20
  6. Step 6: Final answer
    x = 73,364.92

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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.