Home / 72,335.19-108,513.05-22,419.21

Finding the Fourth Proportional to 72,335.19, 108,513.05 and 22,419.21

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Solution

The fourth proportional to 72,335.19, 108,513.05 and 22,419.21 is: 33,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,335.19 : 108,513.05 = 22,419.21 : x
  2. Step 2: Convert to fraction form
    72,335.19/108,513.05 = 22,419.21/x
  3. Step 3: Cross multiply
    72,335.19x = 108,513.05 × 22,419.21
  4. Step 4: Simplify right side
    72,335.19x = 2,432,776,855.69
  5. Step 5: Solve for x
    x = 2,432,776,855.69/72,335.19
  6. Step 6: Final answer
    x = 33,632.00

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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.