Home / 71,435.02-107,145.01-29,319.55

Finding the Fourth Proportional to 71,435.02, 107,145.01 and 29,319.55

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Solution

The fourth proportional to 71,435.02, 107,145.01 and 29,319.55 is: 43,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,435.02 : 107,145.01 = 29,319.55 : x
  2. Step 2: Convert to fraction form
    71,435.02/107,145.01 = 29,319.55/x
  3. Step 3: Cross multiply
    71,435.02x = 107,145.01 × 29,319.55
  4. Step 4: Simplify right side
    71,435.02x = 3,141,443,477.95
  5. Step 5: Solve for x
    x = 3,141,443,477.95/71,435.02
  6. Step 6: Final answer
    x = 43,976.24

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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.