Home / 53,702.73-74,109.78-29,831.61

Finding the Fourth Proportional to 53,702.73, 74,109.78 and 29,831.61

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Solution

The fourth proportional to 53,702.73, 74,109.78 and 29,831.61 is: 41,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,702.73 : 74,109.78 = 29,831.61 : x
  2. Step 2: Convert to fraction form
    53,702.73/74,109.78 = 29,831.61/x
  3. Step 3: Cross multiply
    53,702.73x = 74,109.78 × 29,831.61
  4. Step 4: Simplify right side
    53,702.73x = 2,210,814,054.15
  5. Step 5: Solve for x
    x = 2,210,814,054.15/53,702.73
  6. Step 6: Final answer
    x = 41,167.63

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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.