Home / 97,818.10-146,727.15-47,905.90

Finding the Fourth Proportional to 97,818.10, 146,727.15 and 47,905.90

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Solution

The fourth proportional to 97,818.10, 146,727.15 and 47,905.90 is: 71,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,818.10 : 146,727.15 = 47,905.90 : x
  2. Step 2: Convert to fraction form
    97,818.10/146,727.15 = 47,905.90/x
  3. Step 3: Cross multiply
    97,818.10x = 146,727.15 × 47,905.90
  4. Step 4: Simplify right side
    97,818.10x = 7,029,096,175.19
  5. Step 5: Solve for x
    x = 7,029,096,175.19/97,818.10
  6. Step 6: Final answer
    x = 71,858.85

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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.