Home / 91,176.54-125,823.77-50,890.29

Finding the Fourth Proportional to 91,176.54, 125,823.77 and 50,890.29

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Solution

The fourth proportional to 91,176.54, 125,823.77 and 50,890.29 is: 70,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,176.54 : 125,823.77 = 50,890.29 : x
  2. Step 2: Convert to fraction form
    91,176.54/125,823.77 = 50,890.29/x
  3. Step 3: Cross multiply
    91,176.54x = 125,823.77 × 50,890.29
  4. Step 4: Simplify right side
    91,176.54x = 6,403,207,889.74
  5. Step 5: Solve for x
    x = 6,403,207,889.74/91,176.54
  6. Step 6: Final answer
    x = 70,228.68

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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.