Home / 124,847.16-172,289.80-68,258.53

Finding the Fourth Proportional to 124,847.16, 172,289.80 and 68,258.53

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Solution

The fourth proportional to 124,847.16, 172,289.80 and 68,258.53 is: 94,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,847.16 : 172,289.80 = 68,258.53 : x
  2. Step 2: Convert to fraction form
    124,847.16/172,289.80 = 68,258.53/x
  3. Step 3: Cross multiply
    124,847.16x = 172,289.80 × 68,258.53
  4. Step 4: Simplify right side
    124,847.16x = 11,760,248,481.99
  5. Step 5: Solve for x
    x = 11,760,248,481.99/124,847.16
  6. Step 6: Final answer
    x = 94,197.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.