Home / 91,599.36-126,383.52-53,866.56

Finding the Fourth Proportional to 91,599.36, 126,383.52 and 53,866.56

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Solution

The fourth proportional to 91,599.36, 126,383.52 and 53,866.56 is: 74,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,599.36 : 126,383.52 = 53,866.56 : x
  2. Step 2: Convert to fraction form
    91,599.36/126,383.52 = 53,866.56/x
  3. Step 3: Cross multiply
    91,599.36x = 126,383.52 × 53,866.56
  4. Step 4: Simplify right side
    91,599.36x = 6,807,845,463.09
  5. Step 5: Solve for x
    x = 6,807,845,463.09/91,599.36
  6. Step 6: Final answer
    x = 74,321.98

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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.