Home / 66,216.05-99,366.60-36,655.10

Finding the Fourth Proportional to 66,216.05, 99,366.60 and 36,655.10

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Solution

The fourth proportional to 66,216.05, 99,366.60 and 36,655.10 is: 55,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,216.05 : 99,366.60 = 36,655.10 : x
  2. Step 2: Convert to fraction form
    66,216.05/99,366.60 = 36,655.10/x
  3. Step 3: Cross multiply
    66,216.05x = 99,366.60 × 36,655.10
  4. Step 4: Simplify right side
    66,216.05x = 3,642,292,659.66
  5. Step 5: Solve for x
    x = 3,642,292,659.66/66,216.05
  6. Step 6: Final answer
    x = 55,006.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.