Home / 77,703.28-116,444.52-35,479.60

Finding the Fourth Proportional to 77,703.28, 116,444.52 and 35,479.60

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Solution

The fourth proportional to 77,703.28, 116,444.52 and 35,479.60 is: 53,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,703.28 : 116,444.52 = 35,479.60 : x
  2. Step 2: Convert to fraction form
    77,703.28/116,444.52 = 35,479.60/x
  3. Step 3: Cross multiply
    77,703.28x = 116,444.52 × 35,479.60
  4. Step 4: Simplify right side
    77,703.28x = 4,131,404,991.79
  5. Step 5: Solve for x
    x = 4,131,404,991.79/77,703.28
  6. Step 6: Final answer
    x = 53,168.99

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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.