Home / 77,480.04-116,173.26-34,777.68

Finding the Fourth Proportional to 77,480.04, 116,173.26 and 34,777.68

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Solution

The fourth proportional to 77,480.04, 116,173.26 and 34,777.68 is: 52,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,480.04 : 116,173.26 = 34,777.68 : x
  2. Step 2: Convert to fraction form
    77,480.04/116,173.26 = 34,777.68/x
  3. Step 3: Cross multiply
    77,480.04x = 116,173.26 × 34,777.68
  4. Step 4: Simplify right side
    77,480.04x = 4,040,236,460.84
  5. Step 5: Solve for x
    x = 4,040,236,460.84/77,480.04
  6. Step 6: Final answer
    x = 52,145.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.