Home / 91,783.26-126,675.18-51,513.30

Finding the Fourth Proportional to 91,783.26, 126,675.18 and 51,513.30

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Solution

The fourth proportional to 91,783.26, 126,675.18 and 51,513.30 is: 71,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,783.26 : 126,675.18 = 51,513.30 : x
  2. Step 2: Convert to fraction form
    91,783.26/126,675.18 = 51,513.30/x
  3. Step 3: Cross multiply
    91,783.26x = 126,675.18 × 51,513.30
  4. Step 4: Simplify right side
    91,783.26x = 6,525,456,549.89
  5. Step 5: Solve for x
    x = 6,525,456,549.89/91,783.26
  6. Step 6: Final answer
    x = 71,096.37

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1.5x scale

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.