Home / 63,787.50-95,685.30-19,417.52

Finding the Fourth Proportional to 63,787.50, 95,685.30 and 19,417.52

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Solution

The fourth proportional to 63,787.50, 95,685.30 and 19,417.52 is: 29,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,787.50 : 95,685.30 = 19,417.52 : x
  2. Step 2: Convert to fraction form
    63,787.50/95,685.30 = 19,417.52/x
  3. Step 3: Cross multiply
    63,787.50x = 95,685.30 × 19,417.52
  4. Step 4: Simplify right side
    63,787.50x = 1,857,971,465.67
  5. Step 5: Solve for x
    x = 1,857,971,465.67/63,787.50
  6. Step 6: Final answer
    x = 29,127.52

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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.