Home / 64,429.08-88,915.13-40,244.36

Finding the Fourth Proportional to 64,429.08, 88,915.13 and 40,244.36

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Solution

The fourth proportional to 64,429.08, 88,915.13 and 40,244.36 is: 55,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,429.08 : 88,915.13 = 40,244.36 : x
  2. Step 2: Convert to fraction form
    64,429.08/88,915.13 = 40,244.36/x
  3. Step 3: Cross multiply
    64,429.08x = 88,915.13 × 40,244.36
  4. Step 4: Simplify right side
    64,429.08x = 3,578,332,658.53
  5. Step 5: Solve for x
    x = 3,578,332,658.53/64,429.08
  6. Step 6: Final answer
    x = 55,539.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.