Home / 71,415.47-107,171.60-29,303.16

Finding the Fourth Proportional to 71,415.47, 107,171.60 and 29,303.16

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Solution

The fourth proportional to 71,415.47, 107,171.60 and 29,303.16 is: 43,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,415.47 : 107,171.60 = 29,303.16 : x
  2. Step 2: Convert to fraction form
    71,415.47/107,171.60 = 29,303.16/x
  3. Step 3: Cross multiply
    71,415.47x = 107,171.60 × 29,303.16
  4. Step 4: Simplify right side
    71,415.47x = 3,140,466,395.74
  5. Step 5: Solve for x
    x = 3,140,466,395.74/71,415.47
  6. Step 6: Final answer
    x = 43,974.60

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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.