Home / 48,354.15-72,505.21-14,615.56

Finding the Fourth Proportional to 48,354.15, 72,505.21 and 14,615.56

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Solution

The fourth proportional to 48,354.15, 72,505.21 and 14,615.56 is: 21,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,354.15 : 72,505.21 = 14,615.56 : x
  2. Step 2: Convert to fraction form
    48,354.15/72,505.21 = 14,615.56/x
  3. Step 3: Cross multiply
    48,354.15x = 72,505.21 × 14,615.56
  4. Step 4: Simplify right side
    48,354.15x = 1,059,704,247.07
  5. Step 5: Solve for x
    x = 1,059,704,247.07/48,354.15
  6. Step 6: Final answer
    x = 21,915.48

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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.