Home / 56,424.48-84,696.28-55,153.60

Finding the Fourth Proportional to 56,424.48, 84,696.28 and 55,153.60

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Solution

The fourth proportional to 56,424.48, 84,696.28 and 55,153.60 is: 82,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,424.48 : 84,696.28 = 55,153.60 : x
  2. Step 2: Convert to fraction form
    56,424.48/84,696.28 = 55,153.60/x
  3. Step 3: Cross multiply
    56,424.48x = 84,696.28 × 55,153.60
  4. Step 4: Simplify right side
    56,424.48x = 4,671,304,748.61
  5. Step 5: Solve for x
    x = 4,671,304,748.61/56,424.48
  6. Step 6: Final answer
    x = 82,788.62

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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.