Home / 66,023.56-91,112.25-35,808.76

Finding the Fourth Proportional to 66,023.56, 91,112.25 and 35,808.76

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Solution

The fourth proportional to 66,023.56, 91,112.25 and 35,808.76 is: 49,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023.56 : 91,112.25 = 35,808.76 : x
  2. Step 2: Convert to fraction form
    66,023.56/91,112.25 = 35,808.76/x
  3. Step 3: Cross multiply
    66,023.56x = 91,112.25 × 35,808.76
  4. Step 4: Simplify right side
    66,023.56x = 3,262,616,693.31
  5. Step 5: Solve for x
    x = 3,262,616,693.31/66,023.56
  6. Step 6: Final answer
    x = 49,415.95

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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.