Home / 124,949.16-172,457.52-86,241.33

Finding the Fourth Proportional to 124,949.16, 172,457.52 and 86,241.33

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Solution

The fourth proportional to 124,949.16, 172,457.52 and 86,241.33 is: 119,032.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,949.16 : 172,457.52 = 86,241.33 : x
  2. Step 2: Convert to fraction form
    124,949.16/172,457.52 = 86,241.33/x
  3. Step 3: Cross multiply
    124,949.16x = 172,457.52 × 86,241.33
  4. Step 4: Simplify right side
    124,949.16x = 14,872,965,893.30
  5. Step 5: Solve for x
    x = 14,872,965,893.30/124,949.16
  6. Step 6: Final answer
    x = 119,032.14

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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.