Home / 83,483.10-115,206.03-45,757.26

Finding the Fourth Proportional to 83,483.10, 115,206.03 and 45,757.26

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Solution

The fourth proportional to 83,483.10, 115,206.03 and 45,757.26 is: 63,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,483.10 : 115,206.03 = 45,757.26 : x
  2. Step 2: Convert to fraction form
    83,483.10/115,206.03 = 45,757.26/x
  3. Step 3: Cross multiply
    83,483.10x = 115,206.03 × 45,757.26
  4. Step 4: Simplify right side
    83,483.10x = 5,271,512,268.28
  5. Step 5: Solve for x
    x = 5,271,512,268.28/83,483.10
  6. Step 6: Final answer
    x = 63,144.66

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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.