Home / 98,832.24-148,203.48-42,645.72

Finding the Fourth Proportional to 98,832.24, 148,203.48 and 42,645.72

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Solution

The fourth proportional to 98,832.24, 148,203.48 and 42,645.72 is: 63,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,832.24 : 148,203.48 = 42,645.72 : x
  2. Step 2: Convert to fraction form
    98,832.24/148,203.48 = 42,645.72/x
  3. Step 3: Cross multiply
    98,832.24x = 148,203.48 × 42,645.72
  4. Step 4: Simplify right side
    98,832.24x = 6,320,244,111.11
  5. Step 5: Solve for x
    x = 6,320,244,111.11/98,832.24
  6. Step 6: Final answer
    x = 63,949.21

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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.