Home / 91,166.08-125,805.76-50,879.36

Finding the Fourth Proportional to 91,166.08, 125,805.76 and 50,879.36

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Solution

The fourth proportional to 91,166.08, 125,805.76 and 50,879.36 is: 70,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,166.08 : 125,805.76 = 50,879.36 : x
  2. Step 2: Convert to fraction form
    91,166.08/125,805.76 = 50,879.36/x
  3. Step 3: Cross multiply
    91,166.08x = 125,805.76 × 50,879.36
  4. Step 4: Simplify right side
    91,166.08x = 6,400,916,553.11
  5. Step 5: Solve for x
    x = 6,400,916,553.11/91,166.08
  6. Step 6: Final answer
    x = 70,211.60

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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.