Home / 98,821.52-148,236.40-28,700.84

Finding the Fourth Proportional to 98,821.52, 148,236.40 and 28,700.84

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Solution

The fourth proportional to 98,821.52, 148,236.40 and 28,700.84 is: 43,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,821.52 : 148,236.40 = 28,700.84 : x
  2. Step 2: Convert to fraction form
    98,821.52/148,236.40 = 28,700.84/x
  3. Step 3: Cross multiply
    98,821.52x = 148,236.40 × 28,700.84
  4. Step 4: Simplify right side
    98,821.52x = 4,254,509,198.58
  5. Step 5: Solve for x
    x = 4,254,509,198.58/98,821.52
  6. Step 6: Final answer
    x = 43,052.46

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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.