Home / 111,715.85-167,521.09-40,588.32

Finding the Fourth Proportional to 111,715.85, 167,521.09 and 40,588.32

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Solution

The fourth proportional to 111,715.85, 167,521.09 and 40,588.32 is: 60,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,715.85 : 167,521.09 = 40,588.32 : x
  2. Step 2: Convert to fraction form
    111,715.85/167,521.09 = 40,588.32/x
  3. Step 3: Cross multiply
    111,715.85x = 167,521.09 × 40,588.32
  4. Step 4: Simplify right side
    111,715.85x = 6,799,399,607.67
  5. Step 5: Solve for x
    x = 6,799,399,607.67/111,715.85
  6. Step 6: Final answer
    x = 60,863.34

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1.5x scale

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.