Home / 83,212.48-114,833.28-45,486.76

Finding the Fourth Proportional to 83,212.48, 114,833.28 and 45,486.76

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Solution

The fourth proportional to 83,212.48, 114,833.28 and 45,486.76 is: 62,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,212.48 : 114,833.28 = 45,486.76 : x
  2. Step 2: Convert to fraction form
    83,212.48/114,833.28 = 45,486.76/x
  3. Step 3: Cross multiply
    83,212.48x = 114,833.28 × 45,486.76
  4. Step 4: Simplify right side
    83,212.48x = 5,223,393,847.37
  5. Step 5: Solve for x
    x = 5,223,393,847.37/83,212.48
  6. Step 6: Final answer
    x = 62,771.76

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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.