Home / 74,246.23-111,360.30-21,655.77

Finding the Fourth Proportional to 74,246.23, 111,360.30 and 21,655.77

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Solution

The fourth proportional to 74,246.23, 111,360.30 and 21,655.77 is: 32,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.23 : 111,360.30 = 21,655.77 : x
  2. Step 2: Convert to fraction form
    74,246.23/111,360.30 = 21,655.77/x
  3. Step 3: Cross multiply
    74,246.23x = 111,360.30 × 21,655.77
  4. Step 4: Simplify right side
    74,246.23x = 2,411,593,043.93
  5. Step 5: Solve for x
    x = 2,411,593,043.93/74,246.23
  6. Step 6: Final answer
    x = 32,481.02

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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.