Home / 83,533.04-115,274.52-47,722.76

Finding the Fourth Proportional to 83,533.04, 115,274.52 and 47,722.76

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Solution

The fourth proportional to 83,533.04, 115,274.52 and 47,722.76 is: 65,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,533.04 : 115,274.52 = 47,722.76 : x
  2. Step 2: Convert to fraction form
    83,533.04/115,274.52 = 47,722.76/x
  3. Step 3: Cross multiply
    83,533.04x = 115,274.52 × 47,722.76
  4. Step 4: Simplify right side
    83,533.04x = 5,501,218,252.08
  5. Step 5: Solve for x
    x = 5,501,218,252.08/83,533.04
  6. Step 6: Final answer
    x = 65,856.79

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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.