Home / 91,536.67-126,323.72-51,252.13

Finding the Fourth Proportional to 91,536.67, 126,323.72 and 51,252.13

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Solution

The fourth proportional to 91,536.67, 126,323.72 and 51,252.13 is: 70,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,536.67 : 126,323.72 = 51,252.13 : x
  2. Step 2: Convert to fraction form
    91,536.67/126,323.72 = 51,252.13/x
  3. Step 3: Cross multiply
    91,536.67x = 126,323.72 × 51,252.13
  4. Step 4: Simplify right side
    91,536.67x = 6,474,359,719.52
  5. Step 5: Solve for x
    x = 6,474,359,719.52/91,536.67
  6. Step 6: Final answer
    x = 70,729.68

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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.