Home / 53,363.74-80,047.05-13,919.98

Finding the Fourth Proportional to 53,363.74, 80,047.05 and 13,919.98

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Solution

The fourth proportional to 53,363.74, 80,047.05 and 13,919.98 is: 20,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,363.74 : 80,047.05 = 13,919.98 : x
  2. Step 2: Convert to fraction form
    53,363.74/80,047.05 = 13,919.98/x
  3. Step 3: Cross multiply
    53,363.74x = 80,047.05 × 13,919.98
  4. Step 4: Simplify right side
    53,363.74x = 1,114,253,335.06
  5. Step 5: Solve for x
    x = 1,114,253,335.06/53,363.74
  6. Step 6: Final answer
    x = 20,880.35

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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.