Home / 74,557.85-111,654.98-56,769.35

Finding the Fourth Proportional to 74,557.85, 111,654.98 and 56,769.35

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Solution

The fourth proportional to 74,557.85, 111,654.98 and 56,769.35 is: 85,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.85 : 111,654.98 = 56,769.35 : x
  2. Step 2: Convert to fraction form
    74,557.85/111,654.98 = 56,769.35/x
  3. Step 3: Cross multiply
    74,557.85x = 111,654.98 × 56,769.35
  4. Step 4: Simplify right side
    74,557.85x = 6,338,579,796.74
  5. Step 5: Solve for x
    x = 6,338,579,796.74/74,557.85
  6. Step 6: Final answer
    x = 85,015.60

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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.