Home / 70,591.61-105,805.35-26,190.04

Finding the Fourth Proportional to 70,591.61, 105,805.35 and 26,190.04

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Solution

The fourth proportional to 70,591.61, 105,805.35 and 26,190.04 is: 39,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,591.61 : 105,805.35 = 26,190.04 : x
  2. Step 2: Convert to fraction form
    70,591.61/105,805.35 = 26,190.04/x
  3. Step 3: Cross multiply
    70,591.61x = 105,805.35 × 26,190.04
  4. Step 4: Simplify right side
    70,591.61x = 2,771,046,084.20
  5. Step 5: Solve for x
    x = 2,771,046,084.20/70,591.61
  6. Step 6: Final answer
    x = 39,254.61

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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.