Home / 71,897.72-108,234.83-64,664.18

Finding the Fourth Proportional to 71,897.72, 108,234.83 and 64,664.18

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Solution

The fourth proportional to 71,897.72, 108,234.83 and 64,664.18 is: 97,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,897.72 : 108,234.83 = 64,664.18 : x
  2. Step 2: Convert to fraction form
    71,897.72/108,234.83 = 64,664.18/x
  3. Step 3: Cross multiply
    71,897.72x = 108,234.83 × 64,664.18
  4. Step 4: Simplify right side
    71,897.72x = 6,998,916,529.39
  5. Step 5: Solve for x
    x = 6,998,916,529.39/71,897.72
  6. Step 6: Final answer
    x = 97,345.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.