Home / 66,023.66-91,111.82-35,808.50

Finding the Fourth Proportional to 66,023.66, 91,111.82 and 35,808.50

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Solution

The fourth proportional to 66,023.66, 91,111.82 and 35,808.50 is: 49,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,023.66 : 91,111.82 = 35,808.50 : x
  2. Step 2: Convert to fraction form
    66,023.66/91,111.82 = 35,808.50/x
  3. Step 3: Cross multiply
    66,023.66x = 91,111.82 × 35,808.50
  4. Step 4: Simplify right side
    66,023.66x = 3,262,577,606.47
  5. Step 5: Solve for x
    x = 3,262,577,606.47/66,023.66
  6. Step 6: Final answer
    x = 49,415.28

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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.