Home / 77,293.20-115,247.44-75,893.52

Finding the Fourth Proportional to 77,293.20, 115,247.44 and 75,893.52

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Solution

The fourth proportional to 77,293.20, 115,247.44 and 75,893.52 is: 113,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,293.20 : 115,247.44 = 75,893.52 : x
  2. Step 2: Convert to fraction form
    77,293.20/115,247.44 = 75,893.52/x
  3. Step 3: Cross multiply
    77,293.20x = 115,247.44 × 75,893.52
  4. Step 4: Simplify right side
    77,293.20x = 8,746,533,892.59
  5. Step 5: Solve for x
    x = 8,746,533,892.59/77,293.20
  6. Step 6: Final answer
    x = 113,160.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.