Home / 91,014.02-136,582.52-31,850.22

Finding the Fourth Proportional to 91,014.02, 136,582.52 and 31,850.22

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Solution

The fourth proportional to 91,014.02, 136,582.52 and 31,850.22 is: 47,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,014.02 : 136,582.52 = 31,850.22 : x
  2. Step 2: Convert to fraction form
    91,014.02/136,582.52 = 31,850.22/x
  3. Step 3: Cross multiply
    91,014.02x = 136,582.52 × 31,850.22
  4. Step 4: Simplify right side
    91,014.02x = 4,350,183,310.15
  5. Step 5: Solve for x
    x = 4,350,183,310.15/91,014.02
  6. Step 6: Final answer
    x = 47,796.85

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1.5x scale

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.