Home / 91,838.52-126,732-51,548.64

Finding the Fourth Proportional to 91,838.52, 126,732 and 51,548.64

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Solution

The fourth proportional to 91,838.52, 126,732 and 51,548.64 is: 71,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,838.52 : 126,732 = 51,548.64 : x
  2. Step 2: Convert to fraction form
    91,838.52/126,732 = 51,548.64/x
  3. Step 3: Cross multiply
    91,838.52x = 126,732 × 51,548.64
  4. Step 4: Simplify right side
    91,838.52x = 6,532,862,244.48
  5. Step 5: Solve for x
    x = 6,532,862,244.48/91,838.52
  6. Step 6: Final answer
    x = 71,134.23

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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.