Home / 53,792.20-80,688.30-51,641.80

Finding the Fourth Proportional to 53,792.20, 80,688.30 and 51,641.80

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Solution

The fourth proportional to 53,792.20, 80,688.30 and 51,641.80 is: 77,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,792.20 : 80,688.30 = 51,641.80 : x
  2. Step 2: Convert to fraction form
    53,792.20/80,688.30 = 51,641.80/x
  3. Step 3: Cross multiply
    53,792.20x = 80,688.30 × 51,641.80
  4. Step 4: Simplify right side
    53,792.20x = 4,166,889,050.94
  5. Step 5: Solve for x
    x = 4,166,889,050.94/53,792.20
  6. Step 6: Final answer
    x = 77,462.70

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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.