Home / 66,851.30-100,165.78-47,088.11

Finding the Fourth Proportional to 66,851.30, 100,165.78 and 47,088.11

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Solution

The fourth proportional to 66,851.30, 100,165.78 and 47,088.11 is: 70,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.30 : 100,165.78 = 47,088.11 : x
  2. Step 2: Convert to fraction form
    66,851.30/100,165.78 = 47,088.11/x
  3. Step 3: Cross multiply
    66,851.30x = 100,165.78 × 47,088.11
  4. Step 4: Simplify right side
    66,851.30x = 4,716,617,399.57
  5. Step 5: Solve for x
    x = 4,716,617,399.57/66,851.30
  6. Step 6: Final answer
    x = 70,553.86

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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.