Home / 72,539.02-108,785.49-23,279.50

Finding the Fourth Proportional to 72,539.02, 108,785.49 and 23,279.50

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Solution

The fourth proportional to 72,539.02, 108,785.49 and 23,279.50 is: 34,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,539.02 : 108,785.49 = 23,279.50 : x
  2. Step 2: Convert to fraction form
    72,539.02/108,785.49 = 23,279.50/x
  3. Step 3: Cross multiply
    72,539.02x = 108,785.49 × 23,279.50
  4. Step 4: Simplify right side
    72,539.02x = 2,532,471,814.46
  5. Step 5: Solve for x
    x = 2,532,471,814.46/72,539.02
  6. Step 6: Final answer
    x = 34,911.86

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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.