Home / 83,011.83-114,555.80-47,201.83

Finding the Fourth Proportional to 83,011.83, 114,555.80 and 47,201.83

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Solution

The fourth proportional to 83,011.83, 114,555.80 and 47,201.83 is: 65,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,011.83 : 114,555.80 = 47,201.83 : x
  2. Step 2: Convert to fraction form
    83,011.83/114,555.80 = 47,201.83/x
  3. Step 3: Cross multiply
    83,011.83x = 114,555.80 × 47,201.83
  4. Step 4: Simplify right side
    83,011.83x = 5,407,243,447.49
  5. Step 5: Solve for x
    x = 5,407,243,447.49/83,011.83
  6. Step 6: Final answer
    x = 65,138.23

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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.