Home / 91,864.36-126,768.73-51,577.39

Finding the Fourth Proportional to 91,864.36, 126,768.73 and 51,577.39

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Solution

The fourth proportional to 91,864.36, 126,768.73 and 51,577.39 is: 71,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,864.36 : 126,768.73 = 51,577.39 : x
  2. Step 2: Convert to fraction form
    91,864.36/126,768.73 = 51,577.39/x
  3. Step 3: Cross multiply
    91,864.36x = 126,768.73 × 51,577.39
  4. Step 4: Simplify right side
    91,864.36x = 6,538,399,335.28
  5. Step 5: Solve for x
    x = 6,538,399,335.28/91,864.36
  6. Step 6: Final answer
    x = 71,174.50

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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.