Home / 91,504.48-126,258.23-57,493.26

Finding the Fourth Proportional to 91,504.48, 126,258.23 and 57,493.26

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Solution

The fourth proportional to 91,504.48, 126,258.23 and 57,493.26 is: 79,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,504.48 : 126,258.23 = 57,493.26 : x
  2. Step 2: Convert to fraction form
    91,504.48/126,258.23 = 57,493.26/x
  3. Step 3: Cross multiply
    91,504.48x = 126,258.23 × 57,493.26
  4. Step 4: Simplify right side
    91,504.48x = 7,258,997,172.66
  5. Step 5: Solve for x
    x = 7,258,997,172.66/91,504.48
  6. Step 6: Final answer
    x = 79,329.42

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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.