Home / 48,161.62-72,230-14,420.98

Finding the Fourth Proportional to 48,161.62, 72,230 and 14,420.98

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Solution

The fourth proportional to 48,161.62, 72,230 and 14,420.98 is: 21,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,161.62 : 72,230 = 14,420.98 : x
  2. Step 2: Convert to fraction form
    48,161.62/72,230 = 14,420.98/x
  3. Step 3: Cross multiply
    48,161.62x = 72,230 × 14,420.98
  4. Step 4: Simplify right side
    48,161.62x = 1,041,627,385.40
  5. Step 5: Solve for x
    x = 1,041,627,385.40/48,161.62
  6. Step 6: Final answer
    x = 21,627.75

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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.