Home / 72,571.02-108,833.49-23,311.50

Finding the Fourth Proportional to 72,571.02, 108,833.49 and 23,311.50

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Solution

The fourth proportional to 72,571.02, 108,833.49 and 23,311.50 is: 34,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,571.02 : 108,833.49 = 23,311.50 : x
  2. Step 2: Convert to fraction form
    72,571.02/108,833.49 = 23,311.50/x
  3. Step 3: Cross multiply
    72,571.02x = 108,833.49 × 23,311.50
  4. Step 4: Simplify right side
    72,571.02x = 2,537,071,902.14
  5. Step 5: Solve for x
    x = 2,537,071,902.14/72,571.02
  6. Step 6: Final answer
    x = 34,959.85

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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.