Home / 74,768.08-103,176.48-42,914.56

Finding the Fourth Proportional to 74,768.08, 103,176.48 and 42,914.56

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Solution

The fourth proportional to 74,768.08, 103,176.48 and 42,914.56 is: 59,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,768.08 : 103,176.48 = 42,914.56 : x
  2. Step 2: Convert to fraction form
    74,768.08/103,176.48 = 42,914.56/x
  3. Step 3: Cross multiply
    74,768.08x = 103,176.48 × 42,914.56
  4. Step 4: Simplify right side
    74,768.08x = 4,427,773,241.55
  5. Step 5: Solve for x
    x = 4,427,773,241.55/74,768.08
  6. Step 6: Final answer
    x = 59,220.10

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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.