Home / 72,345.07-108,511.35-22,424.05

Finding the Fourth Proportional to 72,345.07, 108,511.35 and 22,424.05

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Solution

The fourth proportional to 72,345.07, 108,511.35 and 22,424.05 is: 33,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,345.07 : 108,511.35 = 22,424.05 : x
  2. Step 2: Convert to fraction form
    72,345.07/108,511.35 = 22,424.05/x
  3. Step 3: Cross multiply
    72,345.07x = 108,511.35 × 22,424.05
  4. Step 4: Simplify right side
    72,345.07x = 2,433,263,937.97
  5. Step 5: Solve for x
    x = 2,433,263,937.97/72,345.07
  6. Step 6: Final answer
    x = 33,634.14

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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.