Home / 53,812.64-74,107.20-53,637.44

Finding the Fourth Proportional to 53,812.64, 74,107.20 and 53,637.44

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Solution

The fourth proportional to 53,812.64, 74,107.20 and 53,637.44 is: 73,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,812.64 : 74,107.20 = 53,637.44 : x
  2. Step 2: Convert to fraction form
    53,812.64/74,107.20 = 53,637.44/x
  3. Step 3: Cross multiply
    53,812.64x = 74,107.20 × 53,637.44
  4. Step 4: Simplify right side
    53,812.64x = 3,974,920,493.57
  5. Step 5: Solve for x
    x = 3,974,920,493.57/53,812.64
  6. Step 6: Final answer
    x = 73,865.93

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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.