Home / 62,470.28-93,685.80-20,907.56

Finding the Fourth Proportional to 62,470.28, 93,685.80 and 20,907.56

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Solution

The fourth proportional to 62,470.28, 93,685.80 and 20,907.56 is: 31,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,470.28 : 93,685.80 = 20,907.56 : x
  2. Step 2: Convert to fraction form
    62,470.28/93,685.80 = 20,907.56/x
  3. Step 3: Cross multiply
    62,470.28x = 93,685.80 × 20,907.56
  4. Step 4: Simplify right side
    62,470.28x = 1,958,741,484.65
  5. Step 5: Solve for x
    x = 1,958,741,484.65/62,470.28
  6. Step 6: Final answer
    x = 31,354.77

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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.