Home / 53,634.60-80,425.98-31,455.18

Finding the Fourth Proportional to 53,634.60, 80,425.98 and 31,455.18

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Solution

The fourth proportional to 53,634.60, 80,425.98 and 31,455.18 is: 47,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,634.60 : 80,425.98 = 31,455.18 : x
  2. Step 2: Convert to fraction form
    53,634.60/80,425.98 = 31,455.18/x
  3. Step 3: Cross multiply
    53,634.60x = 80,425.98 × 31,455.18
  4. Step 4: Simplify right side
    53,634.60x = 2,529,813,677.58
  5. Step 5: Solve for x
    x = 2,529,813,677.58/53,634.60
  6. Step 6: Final answer
    x = 47,167.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.