Home / 91,852.02-126,747.05-51,556.55

Finding the Fourth Proportional to 91,852.02, 126,747.05 and 51,556.55

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Solution

The fourth proportional to 91,852.02, 126,747.05 and 51,556.55 is: 71,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,852.02 : 126,747.05 = 51,556.55 : x
  2. Step 2: Convert to fraction form
    91,852.02/126,747.05 = 51,556.55/x
  3. Step 3: Cross multiply
    91,852.02x = 126,747.05 × 51,556.55
  4. Step 4: Simplify right side
    91,852.02x = 6,534,639,729.16
  5. Step 5: Solve for x
    x = 6,534,639,729.16/91,852.02
  6. Step 6: Final answer
    x = 71,143.12

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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.