Home / 114,471.05-157,988.54-66,715.18

Finding the Fourth Proportional to 114,471.05, 157,988.54 and 66,715.18

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Solution

The fourth proportional to 114,471.05, 157,988.54 and 66,715.18 is: 92,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,471.05 : 157,988.54 = 66,715.18 : x
  2. Step 2: Convert to fraction form
    114,471.05/157,988.54 = 66,715.18/x
  3. Step 3: Cross multiply
    114,471.05x = 157,988.54 × 66,715.18
  4. Step 4: Simplify right side
    114,471.05x = 10,540,233,655.85
  5. Step 5: Solve for x
    x = 10,540,233,655.85/114,471.05
  6. Step 6: Final answer
    x = 92,077.73

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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.