Home / 53,704.88-74,109.32-29,831.62

Finding the Fourth Proportional to 53,704.88, 74,109.32 and 29,831.62

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Solution

The fourth proportional to 53,704.88, 74,109.32 and 29,831.62 is: 41,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,704.88 : 74,109.32 = 29,831.62 : x
  2. Step 2: Convert to fraction form
    53,704.88/74,109.32 = 29,831.62/x
  3. Step 3: Cross multiply
    53,704.88x = 74,109.32 × 29,831.62
  4. Step 4: Simplify right side
    53,704.88x = 2,210,801,072.70
  5. Step 5: Solve for x
    x = 2,210,801,072.70/53,704.88
  6. Step 6: Final answer
    x = 41,165.74

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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.