Home / 53,719.76-80,572.20-14,280.08

Finding the Fourth Proportional to 53,719.76, 80,572.20 and 14,280.08

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Solution

The fourth proportional to 53,719.76, 80,572.20 and 14,280.08 is: 21,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,719.76 : 80,572.20 = 14,280.08 : x
  2. Step 2: Convert to fraction form
    53,719.76/80,572.20 = 14,280.08/x
  3. Step 3: Cross multiply
    53,719.76x = 80,572.20 × 14,280.08
  4. Step 4: Simplify right side
    53,719.76x = 1,150,577,461.78
  5. Step 5: Solve for x
    x = 1,150,577,461.78/53,719.76
  6. Step 6: Final answer
    x = 21,418.14

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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.