Home / 111,712.06-167,515.30-40,585.10

Finding the Fourth Proportional to 111,712.06, 167,515.30 and 40,585.10

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Solution

The fourth proportional to 111,712.06, 167,515.30 and 40,585.10 is: 60,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,712.06 : 167,515.30 = 40,585.10 : x
  2. Step 2: Convert to fraction form
    111,712.06/167,515.30 = 40,585.10/x
  3. Step 3: Cross multiply
    111,712.06x = 167,515.30 × 40,585.10
  4. Step 4: Simplify right side
    111,712.06x = 6,798,624,999.10
  5. Step 5: Solve for x
    x = 6,798,624,999.10/111,712.06
  6. Step 6: Final answer
    x = 60,858.47

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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.