Home / 71,215.72-106,802.04-23,818.70

Finding the Fourth Proportional to 71,215.72, 106,802.04 and 23,818.70

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Solution

The fourth proportional to 71,215.72, 106,802.04 and 23,818.70 is: 35,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,215.72 : 106,802.04 = 23,818.70 : x
  2. Step 2: Convert to fraction form
    71,215.72/106,802.04 = 23,818.70/x
  3. Step 3: Cross multiply
    71,215.72x = 106,802.04 × 23,818.70
  4. Step 4: Simplify right side
    71,215.72x = 2,543,885,750.15
  5. Step 5: Solve for x
    x = 2,543,885,750.15/71,215.72
  6. Step 6: Final answer
    x = 35,720.85

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1.5x scale

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.