Home / 77,777.68-116,642.24-25,176.32

Finding the Fourth Proportional to 77,777.68, 116,642.24 and 25,176.32

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Solution

The fourth proportional to 77,777.68, 116,642.24 and 25,176.32 is: 37,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,777.68 : 116,642.24 = 25,176.32 : x
  2. Step 2: Convert to fraction form
    77,777.68/116,642.24 = 25,176.32/x
  3. Step 3: Cross multiply
    77,777.68x = 116,642.24 × 25,176.32
  4. Step 4: Simplify right side
    77,777.68x = 2,936,622,359.76
  5. Step 5: Solve for x
    x = 2,936,622,359.76/77,777.68
  6. Step 6: Final answer
    x = 37,756.62

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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.