Home / 48,299.84-72,432.48-26,129.60

Finding the Fourth Proportional to 48,299.84, 72,432.48 and 26,129.60

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Solution

The fourth proportional to 48,299.84, 72,432.48 and 26,129.60 is: 39,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,299.84 : 72,432.48 = 26,129.60 : x
  2. Step 2: Convert to fraction form
    48,299.84/72,432.48 = 26,129.60/x
  3. Step 3: Cross multiply
    48,299.84x = 72,432.48 × 26,129.60
  4. Step 4: Simplify right side
    48,299.84x = 1,892,631,729.41
  5. Step 5: Solve for x
    x = 1,892,631,729.41/48,299.84
  6. Step 6: Final answer
    x = 39,185.05

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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.