Home / 57,255.98-79,000.70-55,368.14

Finding the Fourth Proportional to 57,255.98, 79,000.70 and 55,368.14

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Solution

The fourth proportional to 57,255.98, 79,000.70 and 55,368.14 is: 76,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.98 : 79,000.70 = 55,368.14 : x
  2. Step 2: Convert to fraction form
    57,255.98/79,000.70 = 55,368.14/x
  3. Step 3: Cross multiply
    57,255.98x = 79,000.70 × 55,368.14
  4. Step 4: Simplify right side
    57,255.98x = 4,374,121,817.70
  5. Step 5: Solve for x
    x = 4,374,121,817.70/57,255.98
  6. Step 6: Final answer
    x = 76,395.89

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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.