Home / 66,467.61-99,588.63-40,116.99

Finding the Fourth Proportional to 66,467.61, 99,588.63 and 40,116.99

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Solution

The fourth proportional to 66,467.61, 99,588.63 and 40,116.99 is: 60,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.61 : 99,588.63 = 40,116.99 : x
  2. Step 2: Convert to fraction form
    66,467.61/99,588.63 = 40,116.99/x
  3. Step 3: Cross multiply
    66,467.61x = 99,588.63 × 40,116.99
  4. Step 4: Simplify right side
    66,467.61x = 3,995,196,073.82
  5. Step 5: Solve for x
    x = 3,995,196,073.82/66,467.61
  6. Step 6: Final answer
    x = 60,107.41

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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.