Home / 83,090.28-114,667.30-45,367.40

Finding the Fourth Proportional to 83,090.28, 114,667.30 and 45,367.40

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Solution

The fourth proportional to 83,090.28, 114,667.30 and 45,367.40 is: 62,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,090.28 : 114,667.30 = 45,367.40 : x
  2. Step 2: Convert to fraction form
    83,090.28/114,667.30 = 45,367.40/x
  3. Step 3: Cross multiply
    83,090.28x = 114,667.30 × 45,367.40
  4. Step 4: Simplify right side
    83,090.28x = 5,202,157,266.02
  5. Step 5: Solve for x
    x = 5,202,157,266.02/83,090.28
  6. Step 6: Final answer
    x = 62,608.49

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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.