Home / 66,091.43-91,206.24-35,876.74

Finding the Fourth Proportional to 66,091.43, 91,206.24 and 35,876.74

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Solution

The fourth proportional to 66,091.43, 91,206.24 and 35,876.74 is: 49,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,091.43 : 91,206.24 = 35,876.74 : x
  2. Step 2: Convert to fraction form
    66,091.43/91,206.24 = 35,876.74/x
  3. Step 3: Cross multiply
    66,091.43x = 91,206.24 × 35,876.74
  4. Step 4: Simplify right side
    66,091.43x = 3,272,182,133.89
  5. Step 5: Solve for x
    x = 3,272,182,133.89/66,091.43
  6. Step 6: Final answer
    x = 49,509.93

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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.