Home / 50,987.32-70,366.86-29,773.36

Finding the Fourth Proportional to 50,987.32, 70,366.86 and 29,773.36

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Solution

The fourth proportional to 50,987.32, 70,366.86 and 29,773.36 is: 41,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,987.32 : 70,366.86 = 29,773.36 : x
  2. Step 2: Convert to fraction form
    50,987.32/70,366.86 = 29,773.36/x
  3. Step 3: Cross multiply
    50,987.32x = 70,366.86 × 29,773.36
  4. Step 4: Simplify right side
    50,987.32x = 2,095,057,854.85
  5. Step 5: Solve for x
    x = 2,095,057,854.85/50,987.32
  6. Step 6: Final answer
    x = 41,089.78

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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.