Home / 111,557.77-167,403.12-40,485.94

Finding the Fourth Proportional to 111,557.77, 167,403.12 and 40,485.94

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Solution

The fourth proportional to 111,557.77, 167,403.12 and 40,485.94 is: 60,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,557.77 : 167,403.12 = 40,485.94 : x
  2. Step 2: Convert to fraction form
    111,557.77/167,403.12 = 40,485.94/x
  3. Step 3: Cross multiply
    111,557.77x = 167,403.12 × 40,485.94
  4. Step 4: Simplify right side
    111,557.77x = 6,777,472,672.13
  5. Step 5: Solve for x
    x = 6,777,472,672.13/111,557.77
  6. Step 6: Final answer
    x = 60,753.03

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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.