Home / 72,206.73-108,363.30-34,256.10

Finding the Fourth Proportional to 72,206.73, 108,363.30 and 34,256.10

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Solution

The fourth proportional to 72,206.73, 108,363.30 and 34,256.10 is: 51,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,206.73 : 108,363.30 = 34,256.10 : x
  2. Step 2: Convert to fraction form
    72,206.73/108,363.30 = 34,256.10/x
  3. Step 3: Cross multiply
    72,206.73x = 108,363.30 × 34,256.10
  4. Step 4: Simplify right side
    72,206.73x = 3,712,104,041.13
  5. Step 5: Solve for x
    x = 3,712,104,041.13/72,206.73
  6. Step 6: Final answer
    x = 51,409.39

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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.