Home / 91,537.67-126,325.10-51,253.13

Finding the Fourth Proportional to 91,537.67, 126,325.10 and 51,253.13

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Solution

The fourth proportional to 91,537.67, 126,325.10 and 51,253.13 is: 70,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,537.67 : 126,325.10 = 51,253.13 : x
  2. Step 2: Convert to fraction form
    91,537.67/126,325.10 = 51,253.13/x
  3. Step 3: Cross multiply
    91,537.67x = 126,325.10 × 51,253.13
  4. Step 4: Simplify right side
    91,537.67x = 6,474,556,772.56
  5. Step 5: Solve for x
    x = 6,474,556,772.56/91,537.67
  6. Step 6: Final answer
    x = 70,731.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.