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Finding the Fourth Proportional to 70,798.32, 106,212.06 and 59,192.64

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Solution

The fourth proportional to 70,798.32, 106,212.06 and 59,192.64 is: 88,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,798.32 : 106,212.06 = 59,192.64 : x
  2. Step 2: Convert to fraction form
    70,798.32/106,212.06 = 59,192.64/x
  3. Step 3: Cross multiply
    70,798.32x = 106,212.06 × 59,192.64
  4. Step 4: Simplify right side
    70,798.32x = 6,286,972,231.24
  5. Step 5: Solve for x
    x = 6,286,972,231.24/70,798.32
  6. Step 6: Final answer
    x = 88,801.15

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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.