Home / 66,057.06-91,158.78-37,763.36

Finding the Fourth Proportional to 66,057.06, 91,158.78 and 37,763.36

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Solution

The fourth proportional to 66,057.06, 91,158.78 and 37,763.36 is: 52,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,057.06 : 91,158.78 = 37,763.36 : x
  2. Step 2: Convert to fraction form
    66,057.06/91,158.78 = 37,763.36/x
  3. Step 3: Cross multiply
    66,057.06x = 91,158.78 × 37,763.36
  4. Step 4: Simplify right side
    66,057.06x = 3,442,461,826.30
  5. Step 5: Solve for x
    x = 3,442,461,826.30/66,057.06
  6. Step 6: Final answer
    x = 52,113.46

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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.