Home / 66,518.17-91,791.36-37,833.94

Finding the Fourth Proportional to 66,518.17, 91,791.36 and 37,833.94

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Solution

The fourth proportional to 66,518.17, 91,791.36 and 37,833.94 is: 52,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518.17 : 91,791.36 = 37,833.94 : x
  2. Step 2: Convert to fraction form
    66,518.17/91,791.36 = 37,833.94/x
  3. Step 3: Cross multiply
    66,518.17x = 91,791.36 × 37,833.94
  4. Step 4: Simplify right side
    66,518.17x = 3,472,828,806.76
  5. Step 5: Solve for x
    x = 3,472,828,806.76/66,518.17
  6. Step 6: Final answer
    x = 52,208.72

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1.5x scale

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.