Home / 55,153.46-82,743.16-15,711.14

Finding the Fourth Proportional to 55,153.46, 82,743.16 and 15,711.14

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Solution

The fourth proportional to 55,153.46, 82,743.16 and 15,711.14 is: 23,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,153.46 : 82,743.16 = 15,711.14 : x
  2. Step 2: Convert to fraction form
    55,153.46/82,743.16 = 15,711.14/x
  3. Step 3: Cross multiply
    55,153.46x = 82,743.16 × 15,711.14
  4. Step 4: Simplify right side
    55,153.46x = 1,299,989,370.80
  5. Step 5: Solve for x
    x = 1,299,989,370.80/55,153.46
  6. Step 6: Final answer
    x = 23,570.40

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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.