Home / 112,711.56-168,956.16-62,815.16

Finding the Fourth Proportional to 112,711.56, 168,956.16 and 62,815.16

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Solution

The fourth proportional to 112,711.56, 168,956.16 and 62,815.16 is: 94,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,711.56 : 168,956.16 = 62,815.16 : x
  2. Step 2: Convert to fraction form
    112,711.56/168,956.16 = 62,815.16/x
  3. Step 3: Cross multiply
    112,711.56x = 168,956.16 × 62,815.16
  4. Step 4: Simplify right side
    112,711.56x = 10,613,007,378.60
  5. Step 5: Solve for x
    x = 10,613,007,378.60/112,711.56
  6. Step 6: Final answer
    x = 94,160.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.