Home / 124,830.66-172,266.30-68,242.02

Finding the Fourth Proportional to 124,830.66, 172,266.30 and 68,242.02

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Solution

The fourth proportional to 124,830.66, 172,266.30 and 68,242.02 is: 94,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,830.66 : 172,266.30 = 68,242.02 : x
  2. Step 2: Convert to fraction form
    124,830.66/172,266.30 = 68,242.02/x
  3. Step 3: Cross multiply
    124,830.66x = 172,266.30 × 68,242.02
  4. Step 4: Simplify right side
    124,830.66x = 11,755,800,289.93
  5. Step 5: Solve for x
    x = 11,755,800,289.93/124,830.66
  6. Step 6: Final answer
    x = 94,173.98

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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.