Home / 42,952.68-64,425.24-11,787.93

Finding the Fourth Proportional to 42,952.68, 64,425.24 and 11,787.93

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Solution

The fourth proportional to 42,952.68, 64,425.24 and 11,787.93 is: 17,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,952.68 : 64,425.24 = 11,787.93 : x
  2. Step 2: Convert to fraction form
    42,952.68/64,425.24 = 11,787.93/x
  3. Step 3: Cross multiply
    42,952.68x = 64,425.24 × 11,787.93
  4. Step 4: Simplify right side
    42,952.68x = 759,440,219.35
  5. Step 5: Solve for x
    x = 759,440,219.35/42,952.68
  6. Step 6: Final answer
    x = 17,680.86

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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.