Home / 76,197.26-105,127.76-49,360.34

Finding the Fourth Proportional to 76,197.26, 105,127.76 and 49,360.34

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Solution

The fourth proportional to 76,197.26, 105,127.76 and 49,360.34 is: 68,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,197.26 : 105,127.76 = 49,360.34 : x
  2. Step 2: Convert to fraction form
    76,197.26/105,127.76 = 49,360.34/x
  3. Step 3: Cross multiply
    76,197.26x = 105,127.76 × 49,360.34
  4. Step 4: Simplify right side
    76,197.26x = 5,189,141,977.04
  5. Step 5: Solve for x
    x = 5,189,141,977.04/76,197.26
  6. Step 6: Final answer
    x = 68,101.42

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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.