Home / 91,837.12-126,748.56-51,567.52

Finding the Fourth Proportional to 91,837.12, 126,748.56 and 51,567.52

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Solution

The fourth proportional to 91,837.12, 126,748.56 and 51,567.52 is: 71,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,837.12 : 126,748.56 = 51,567.52 : x
  2. Step 2: Convert to fraction form
    91,837.12/126,748.56 = 51,567.52/x
  3. Step 3: Cross multiply
    91,837.12x = 126,748.56 × 51,567.52
  4. Step 4: Simplify right side
    91,837.12x = 6,536,108,902.77
  5. Step 5: Solve for x
    x = 6,536,108,902.77/91,837.12
  6. Step 6: Final answer
    x = 71,170.67

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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.