Home / 65,725.61-98,602.38-21,348.95

Finding the Fourth Proportional to 65,725.61, 98,602.38 and 21,348.95

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Solution

The fourth proportional to 65,725.61, 98,602.38 and 21,348.95 is: 32,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725.61 : 98,602.38 = 21,348.95 : x
  2. Step 2: Convert to fraction form
    65,725.61/98,602.38 = 21,348.95/x
  3. Step 3: Cross multiply
    65,725.61x = 98,602.38 × 21,348.95
  4. Step 4: Simplify right side
    65,725.61x = 2,105,056,787.49
  5. Step 5: Solve for x
    x = 2,105,056,787.49/65,725.61
  6. Step 6: Final answer
    x = 32,027.96

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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.