Home / 98,629.64-148,049.74-42,497.58

Finding the Fourth Proportional to 98,629.64, 148,049.74 and 42,497.58

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Solution

The fourth proportional to 98,629.64, 148,049.74 and 42,497.58 is: 63,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,629.64 : 148,049.74 = 42,497.58 : x
  2. Step 2: Convert to fraction form
    98,629.64/148,049.74 = 42,497.58/x
  3. Step 3: Cross multiply
    98,629.64x = 148,049.74 × 42,497.58
  4. Step 4: Simplify right side
    98,629.64x = 6,291,755,669.63
  5. Step 5: Solve for x
    x = 6,291,755,669.63/98,629.64
  6. Step 6: Final answer
    x = 63,791.73

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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.