Home / 91,466.40-126,223.98-51,182.80

Finding the Fourth Proportional to 91,466.40, 126,223.98 and 51,182.80

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Solution

The fourth proportional to 91,466.40, 126,223.98 and 51,182.80 is: 70,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,466.40 : 126,223.98 = 51,182.80 : x
  2. Step 2: Convert to fraction form
    91,466.40/126,223.98 = 51,182.80/x
  3. Step 3: Cross multiply
    91,466.40x = 126,223.98 × 51,182.80
  4. Step 4: Simplify right side
    91,466.40x = 6,460,496,723.54
  5. Step 5: Solve for x
    x = 6,460,496,723.54/91,466.40
  6. Step 6: Final answer
    x = 70,632.46

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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.