Home / 105,302.22-157,787.28-38,650.65

Finding the Fourth Proportional to 105,302.22, 157,787.28 and 38,650.65

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Solution

The fourth proportional to 105,302.22, 157,787.28 and 38,650.65 is: 57,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,302.22 : 157,787.28 = 38,650.65 : x
  2. Step 2: Convert to fraction form
    105,302.22/157,787.28 = 38,650.65/x
  3. Step 3: Cross multiply
    105,302.22x = 157,787.28 × 38,650.65
  4. Step 4: Simplify right side
    105,302.22x = 6,098,580,933.73
  5. Step 5: Solve for x
    x = 6,098,580,933.73/105,302.22
  6. Step 6: Final answer
    x = 57,915.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.