Home / 53,664.16-80,510.82-38,180.20

Finding the Fourth Proportional to 53,664.16, 80,510.82 and 38,180.20

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Solution

The fourth proportional to 53,664.16, 80,510.82 and 38,180.20 is: 57,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,664.16 : 80,510.82 = 38,180.20 : x
  2. Step 2: Convert to fraction form
    53,664.16/80,510.82 = 38,180.20/x
  3. Step 3: Cross multiply
    53,664.16x = 80,510.82 × 38,180.20
  4. Step 4: Simplify right side
    53,664.16x = 3,073,919,209.76
  5. Step 5: Solve for x
    x = 3,073,919,209.76/53,664.16
  6. Step 6: Final answer
    x = 57,280.67

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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.