Home / 62,131.56-93,176.64-20,001.78

Finding the Fourth Proportional to 62,131.56, 93,176.64 and 20,001.78

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Solution

The fourth proportional to 62,131.56, 93,176.64 and 20,001.78 is: 29,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,131.56 : 93,176.64 = 20,001.78 : x
  2. Step 2: Convert to fraction form
    62,131.56/93,176.64 = 20,001.78/x
  3. Step 3: Cross multiply
    62,131.56x = 93,176.64 × 20,001.78
  4. Step 4: Simplify right side
    62,131.56x = 1,863,698,654.42
  5. Step 5: Solve for x
    x = 1,863,698,654.42/62,131.56
  6. Step 6: Final answer
    x = 29,996.01

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1.5x scale

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.