Home / 66,545.58-91,933.06-43,629.86

Finding the Fourth Proportional to 66,545.58, 91,933.06 and 43,629.86

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Solution

The fourth proportional to 66,545.58, 91,933.06 and 43,629.86 is: 60,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545.58 : 91,933.06 = 43,629.86 : x
  2. Step 2: Convert to fraction form
    66,545.58/91,933.06 = 43,629.86/x
  3. Step 3: Cross multiply
    66,545.58x = 91,933.06 × 43,629.86
  4. Step 4: Simplify right side
    66,545.58x = 4,011,026,537.17
  5. Step 5: Solve for x
    x = 4,011,026,537.17/66,545.58
  6. Step 6: Final answer
    x = 60,274.88

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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.