Home / 52,245.81-72,099.23-28,372.50

Finding the Fourth Proportional to 52,245.81, 72,099.23 and 28,372.50

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Solution

The fourth proportional to 52,245.81, 72,099.23 and 28,372.50 is: 39,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,245.81 : 72,099.23 = 28,372.50 : x
  2. Step 2: Convert to fraction form
    52,245.81/72,099.23 = 28,372.50/x
  3. Step 3: Cross multiply
    52,245.81x = 72,099.23 × 28,372.50
  4. Step 4: Simplify right side
    52,245.81x = 2,045,635,261.31
  5. Step 5: Solve for x
    x = 2,045,635,261.31/52,245.81
  6. Step 6: Final answer
    x = 39,154.05

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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.