Home / 124,770-172,182.60-68,181.24

Finding the Fourth Proportional to 124,770, 172,182.60 and 68,181.24

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Solution

The fourth proportional to 124,770, 172,182.60 and 68,181.24 is: 94,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,770 : 172,182.60 = 68,181.24 : x
  2. Step 2: Convert to fraction form
    124,770/172,182.60 = 68,181.24/x
  3. Step 3: Cross multiply
    124,770x = 172,182.60 × 68,181.24
  4. Step 4: Simplify right side
    124,770x = 11,739,623,174.42
  5. Step 5: Solve for x
    x = 11,739,623,174.42/124,770
  6. Step 6: Final answer
    x = 94,090.11

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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.