Home / 74,367.12-102,588.60-47,481.36

Finding the Fourth Proportional to 74,367.12, 102,588.60 and 47,481.36

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Solution

The fourth proportional to 74,367.12, 102,588.60 and 47,481.36 is: 65,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367.12 : 102,588.60 = 47,481.36 : x
  2. Step 2: Convert to fraction form
    74,367.12/102,588.60 = 47,481.36/x
  3. Step 3: Cross multiply
    74,367.12x = 102,588.60 × 47,481.36
  4. Step 4: Simplify right side
    74,367.12x = 4,871,046,248.50
  5. Step 5: Solve for x
    x = 4,871,046,248.50/74,367.12
  6. Step 6: Final answer
    x = 65,500.00

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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.