Home / 95,621.76-131,956.16-53,179.38

Finding the Fourth Proportional to 95,621.76, 131,956.16 and 53,179.38

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Solution

The fourth proportional to 95,621.76, 131,956.16 and 53,179.38 is: 73,386.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,621.76 : 131,956.16 = 53,179.38 : x
  2. Step 2: Convert to fraction form
    95,621.76/131,956.16 = 53,179.38/x
  3. Step 3: Cross multiply
    95,621.76x = 131,956.16 × 53,179.38
  4. Step 4: Simplify right side
    95,621.76x = 7,017,346,510.08
  5. Step 5: Solve for x
    x = 7,017,346,510.08/95,621.76
  6. Step 6: Final answer
    x = 73,386.50

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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.