Home / 76,772.72-114,898.80-47,209.16

Finding the Fourth Proportional to 76,772.72, 114,898.80 and 47,209.16

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Solution

The fourth proportional to 76,772.72, 114,898.80 and 47,209.16 is: 70,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,772.72 : 114,898.80 = 47,209.16 : x
  2. Step 2: Convert to fraction form
    76,772.72/114,898.80 = 47,209.16/x
  3. Step 3: Cross multiply
    76,772.72x = 114,898.80 × 47,209.16
  4. Step 4: Simplify right side
    76,772.72x = 5,424,275,833.01
  5. Step 5: Solve for x
    x = 5,424,275,833.01/76,772.72
  6. Step 6: Final answer
    x = 70,653.69

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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.