Home / 60,787.12-91,223.51-21,347.30

Finding the Fourth Proportional to 60,787.12, 91,223.51 and 21,347.30

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Solution

The fourth proportional to 60,787.12, 91,223.51 and 21,347.30 is: 32,035.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,787.12 : 91,223.51 = 21,347.30 : x
  2. Step 2: Convert to fraction form
    60,787.12/91,223.51 = 21,347.30/x
  3. Step 3: Cross multiply
    60,787.12x = 91,223.51 × 21,347.30
  4. Step 4: Simplify right side
    60,787.12x = 1,947,375,635.02
  5. Step 5: Solve for x
    x = 1,947,375,635.02/60,787.12
  6. Step 6: Final answer
    x = 32,035.99

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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.