Home / 83,330.91-115,011.60-47,043.39

Finding the Fourth Proportional to 83,330.91, 115,011.60 and 47,043.39

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Solution

The fourth proportional to 83,330.91, 115,011.60 and 47,043.39 is: 64,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,330.91 : 115,011.60 = 47,043.39 : x
  2. Step 2: Convert to fraction form
    83,330.91/115,011.60 = 47,043.39/x
  3. Step 3: Cross multiply
    83,330.91x = 115,011.60 × 47,043.39
  4. Step 4: Simplify right side
    83,330.91x = 5,410,535,553.32
  5. Step 5: Solve for x
    x = 5,410,535,553.32/83,330.91
  6. Step 6: Final answer
    x = 64,928.31

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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.