Home / 69,018.41-103,528.58-45,476.66

Finding the Fourth Proportional to 69,018.41, 103,528.58 and 45,476.66

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Solution

The fourth proportional to 69,018.41, 103,528.58 and 45,476.66 is: 68,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,018.41 : 103,528.58 = 45,476.66 : x
  2. Step 2: Convert to fraction form
    69,018.41/103,528.58 = 45,476.66/x
  3. Step 3: Cross multiply
    69,018.41x = 103,528.58 × 45,476.66
  4. Step 4: Simplify right side
    69,018.41x = 4,708,134,064.38
  5. Step 5: Solve for x
    x = 4,708,134,064.38/69,018.41
  6. Step 6: Final answer
    x = 68,215.62

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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.