Home / 98,509.06-147,785.21-31,955.92

Finding the Fourth Proportional to 98,509.06, 147,785.21 and 31,955.92

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Solution

The fourth proportional to 98,509.06, 147,785.21 and 31,955.92 is: 47,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,509.06 : 147,785.21 = 31,955.92 : x
  2. Step 2: Convert to fraction form
    98,509.06/147,785.21 = 31,955.92/x
  3. Step 3: Cross multiply
    98,509.06x = 147,785.21 × 31,955.92
  4. Step 4: Simplify right side
    98,509.06x = 4,722,611,938.54
  5. Step 5: Solve for x
    x = 4,722,611,938.54/98,509.06
  6. Step 6: Final answer
    x = 47,940.89

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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.