Home / 45,787.46-63,124.66-39,144.45

Finding the Fourth Proportional to 45,787.46, 63,124.66 and 39,144.45

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Solution

The fourth proportional to 45,787.46, 63,124.66 and 39,144.45 is: 53,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,787.46 : 63,124.66 = 39,144.45 : x
  2. Step 2: Convert to fraction form
    45,787.46/63,124.66 = 39,144.45/x
  3. Step 3: Cross multiply
    45,787.46x = 63,124.66 × 39,144.45
  4. Step 4: Simplify right side
    45,787.46x = 2,470,979,683.65
  5. Step 5: Solve for x
    x = 2,470,979,683.65/45,787.46
  6. Step 6: Final answer
    x = 53,966.30

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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.