Home / 91,682.69-126,532.61-51,407.33

Finding the Fourth Proportional to 91,682.69, 126,532.61 and 51,407.33

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Solution

The fourth proportional to 91,682.69, 126,532.61 and 51,407.33 is: 70,948.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,682.69 : 126,532.61 = 51,407.33 : x
  2. Step 2: Convert to fraction form
    91,682.69/126,532.61 = 51,407.33/x
  3. Step 3: Cross multiply
    91,682.69x = 126,532.61 × 51,407.33
  4. Step 4: Simplify right side
    91,682.69x = 6,504,703,638.03
  5. Step 5: Solve for x
    x = 6,504,703,638.03/91,682.69
  6. Step 6: Final answer
    x = 70,948.00

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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.