Home / 91,889.03-126,805.36-51,052.27

Finding the Fourth Proportional to 91,889.03, 126,805.36 and 51,052.27

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Solution

The fourth proportional to 91,889.03, 126,805.36 and 51,052.27 is: 70,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,889.03 : 126,805.36 = 51,052.27 : x
  2. Step 2: Convert to fraction form
    91,889.03/126,805.36 = 51,052.27/x
  3. Step 3: Cross multiply
    91,889.03x = 126,805.36 × 51,052.27
  4. Step 4: Simplify right side
    91,889.03x = 6,473,701,476.17
  5. Step 5: Solve for x
    x = 6,473,701,476.17/91,889.03
  6. Step 6: Final answer
    x = 70,451.30

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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.