Home / 98,772.77-148,106.07-31,292.43

Finding the Fourth Proportional to 98,772.77, 148,106.07 and 31,292.43

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Solution

The fourth proportional to 98,772.77, 148,106.07 and 31,292.43 is: 46,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,772.77 : 148,106.07 = 31,292.43 : x
  2. Step 2: Convert to fraction form
    98,772.77/148,106.07 = 31,292.43/x
  3. Step 3: Cross multiply
    98,772.77x = 148,106.07 × 31,292.43
  4. Step 4: Simplify right side
    98,772.77x = 4,634,598,272.65
  5. Step 5: Solve for x
    x = 4,634,598,272.65/98,772.77
  6. Step 6: Final answer
    x = 46,921.82

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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.