Home / 91,556.02-137,335.40-28,375.41

Finding the Fourth Proportional to 91,556.02, 137,335.40 and 28,375.41

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Solution

The fourth proportional to 91,556.02, 137,335.40 and 28,375.41 is: 42,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,556.02 : 137,335.40 = 28,375.41 : x
  2. Step 2: Convert to fraction form
    91,556.02/137,335.40 = 28,375.41/x
  3. Step 3: Cross multiply
    91,556.02x = 137,335.40 × 28,375.41
  4. Step 4: Simplify right side
    91,556.02x = 3,896,948,762.05
  5. Step 5: Solve for x
    x = 3,896,948,762.05/91,556.02
  6. Step 6: Final answer
    x = 42,563.54

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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.