Home / 98,510.06-147,786.71-31,956.92

Finding the Fourth Proportional to 98,510.06, 147,786.71 and 31,956.92

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Solution

The fourth proportional to 98,510.06, 147,786.71 and 31,956.92 is: 47,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,510.06 : 147,786.71 = 31,956.92 : x
  2. Step 2: Convert to fraction form
    98,510.06/147,786.71 = 31,956.92/x
  3. Step 3: Cross multiply
    98,510.06x = 147,786.71 × 31,956.92
  4. Step 4: Simplify right side
    98,510.06x = 4,722,808,068.53
  5. Step 5: Solve for x
    x = 4,722,808,068.53/98,510.06
  6. Step 6: Final answer
    x = 47,942.39

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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.