Home / 85,572.52-118,040.58-51,557.80

Finding the Fourth Proportional to 85,572.52, 118,040.58 and 51,557.80

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Solution

The fourth proportional to 85,572.52, 118,040.58 and 51,557.80 is: 71,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,572.52 : 118,040.58 = 51,557.80 : x
  2. Step 2: Convert to fraction form
    85,572.52/118,040.58 = 51,557.80/x
  3. Step 3: Cross multiply
    85,572.52x = 118,040.58 × 51,557.80
  4. Step 4: Simplify right side
    85,572.52x = 6,085,912,615.52
  5. Step 5: Solve for x
    x = 6,085,912,615.52/85,572.52
  6. Step 6: Final answer
    x = 71,119.94

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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.