Home / 52,831.74-72,909.62-28,958.42

Finding the Fourth Proportional to 52,831.74, 72,909.62 and 28,958.42

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Solution

The fourth proportional to 52,831.74, 72,909.62 and 28,958.42 is: 39,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831.74 : 72,909.62 = 28,958.42 : x
  2. Step 2: Convert to fraction form
    52,831.74/72,909.62 = 28,958.42/x
  3. Step 3: Cross multiply
    52,831.74x = 72,909.62 × 28,958.42
  4. Step 4: Simplify right side
    52,831.74x = 2,111,346,888.66
  5. Step 5: Solve for x
    x = 2,111,346,888.66/52,831.74
  6. Step 6: Final answer
    x = 39,963.61

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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.