Home / 68,529.40-102,848.91-66,342.40

Finding the Fourth Proportional to 68,529.40, 102,848.91 and 66,342.40

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Solution

The fourth proportional to 68,529.40, 102,848.91 and 66,342.40 is: 99,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,529.40 : 102,848.91 = 66,342.40 : x
  2. Step 2: Convert to fraction form
    68,529.40/102,848.91 = 66,342.40/x
  3. Step 3: Cross multiply
    68,529.40x = 102,848.91 × 66,342.40
  4. Step 4: Simplify right side
    68,529.40x = 6,823,243,526.78
  5. Step 5: Solve for x
    x = 6,823,243,526.78/68,529.40
  6. Step 6: Final answer
    x = 99,566.66

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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.