Home / 73,139.50-109,725.70-23,221.24

Finding the Fourth Proportional to 73,139.50, 109,725.70 and 23,221.24

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Solution

The fourth proportional to 73,139.50, 109,725.70 and 23,221.24 is: 34,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139.50 : 109,725.70 = 23,221.24 : x
  2. Step 2: Convert to fraction form
    73,139.50/109,725.70 = 23,221.24/x
  3. Step 3: Cross multiply
    73,139.50x = 109,725.70 × 23,221.24
  4. Step 4: Simplify right side
    73,139.50x = 2,547,966,813.87
  5. Step 5: Solve for x
    x = 2,547,966,813.87/73,139.50
  6. Step 6: Final answer
    x = 34,837.08

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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.