Home / 77,335.48-106,691.07-50,468.32

Finding the Fourth Proportional to 77,335.48, 106,691.07 and 50,468.32

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Solution

The fourth proportional to 77,335.48, 106,691.07 and 50,468.32 is: 69,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,335.48 : 106,691.07 = 50,468.32 : x
  2. Step 2: Convert to fraction form
    77,335.48/106,691.07 = 50,468.32/x
  3. Step 3: Cross multiply
    77,335.48x = 106,691.07 × 50,468.32
  4. Step 4: Simplify right side
    77,335.48x = 5,384,519,061.90
  5. Step 5: Solve for x
    x = 5,384,519,061.90/77,335.48
  6. Step 6: Final answer
    x = 69,625.47

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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.