Home / 120,561.46-166,341.44-69,570.64

Finding the Fourth Proportional to 120,561.46, 166,341.44 and 69,570.64

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Solution

The fourth proportional to 120,561.46, 166,341.44 and 69,570.64 is: 95,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,561.46 : 166,341.44 = 69,570.64 : x
  2. Step 2: Convert to fraction form
    120,561.46/166,341.44 = 69,570.64/x
  3. Step 3: Cross multiply
    120,561.46x = 166,341.44 × 69,570.64
  4. Step 4: Simplify right side
    120,561.46x = 11,572,480,439.32
  5. Step 5: Solve for x
    x = 11,572,480,439.32/120,561.46
  6. Step 6: Final answer
    x = 95,988.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.