Home / 83,101.47-114,679.58-45,375.45

Finding the Fourth Proportional to 83,101.47, 114,679.58 and 45,375.45

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Solution

The fourth proportional to 83,101.47, 114,679.58 and 45,375.45 is: 62,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,101.47 : 114,679.58 = 45,375.45 : x
  2. Step 2: Convert to fraction form
    83,101.47/114,679.58 = 45,375.45/x
  3. Step 3: Cross multiply
    83,101.47x = 114,679.58 × 45,375.45
  4. Step 4: Simplify right side
    83,101.47x = 5,203,637,321.43
  5. Step 5: Solve for x
    x = 5,203,637,321.43/83,101.47
  6. Step 6: Final answer
    x = 62,617.87

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1.5x scale

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.