Home / 66,464.10-99,710.55-22,083.30

Finding the Fourth Proportional to 66,464.10, 99,710.55 and 22,083.30

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Solution

The fourth proportional to 66,464.10, 99,710.55 and 22,083.30 is: 33,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464.10 : 99,710.55 = 22,083.30 : x
  2. Step 2: Convert to fraction form
    66,464.10/99,710.55 = 22,083.30/x
  3. Step 3: Cross multiply
    66,464.10x = 99,710.55 × 22,083.30
  4. Step 4: Simplify right side
    66,464.10x = 2,201,937,988.82
  5. Step 5: Solve for x
    x = 2,201,937,988.82/66,464.10
  6. Step 6: Final answer
    x = 33,129.73

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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.