Home / 53,748.87-74,172.02-29,876.55

Finding the Fourth Proportional to 53,748.87, 74,172.02 and 29,876.55

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Solution

The fourth proportional to 53,748.87, 74,172.02 and 29,876.55 is: 41,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,748.87 : 74,172.02 = 29,876.55 : x
  2. Step 2: Convert to fraction form
    53,748.87/74,172.02 = 29,876.55/x
  3. Step 3: Cross multiply
    53,748.87x = 74,172.02 × 29,876.55
  4. Step 4: Simplify right side
    53,748.87x = 2,216,003,914.75
  5. Step 5: Solve for x
    x = 2,216,003,914.75/53,748.87
  6. Step 6: Final answer
    x = 41,228.85

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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.