Home / 124,948.84-172,431.93-68,361.43

Finding the Fourth Proportional to 124,948.84, 172,431.93 and 68,361.43

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Solution

The fourth proportional to 124,948.84, 172,431.93 and 68,361.43 is: 94,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,948.84 : 172,431.93 = 68,361.43 : x
  2. Step 2: Convert to fraction form
    124,948.84/172,431.93 = 68,361.43/x
  3. Step 3: Cross multiply
    124,948.84x = 172,431.93 × 68,361.43
  4. Step 4: Simplify right side
    124,948.84x = 11,787,693,312.46
  5. Step 5: Solve for x
    x = 11,787,693,312.46/124,948.84
  6. Step 6: Final answer
    x = 94,340.16

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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.