Home / 91,862.51-126,760.48-51,580.67

Finding the Fourth Proportional to 91,862.51, 126,760.48 and 51,580.67

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Solution

The fourth proportional to 91,862.51, 126,760.48 and 51,580.67 is: 71,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862.51 : 126,760.48 = 51,580.67 : x
  2. Step 2: Convert to fraction form
    91,862.51/126,760.48 = 51,580.67/x
  3. Step 3: Cross multiply
    91,862.51x = 126,760.48 × 51,580.67
  4. Step 4: Simplify right side
    91,862.51x = 6,538,389,725.17
  5. Step 5: Solve for x
    x = 6,538,389,725.17/91,862.51
  6. Step 6: Final answer
    x = 71,175.83

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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.