Home / 48,423.57-72,639.53-13,363.22

Finding the Fourth Proportional to 48,423.57, 72,639.53 and 13,363.22

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Solution

The fourth proportional to 48,423.57, 72,639.53 and 13,363.22 is: 20,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,423.57 : 72,639.53 = 13,363.22 : x
  2. Step 2: Convert to fraction form
    48,423.57/72,639.53 = 13,363.22/x
  3. Step 3: Cross multiply
    48,423.57x = 72,639.53 × 13,363.22
  4. Step 4: Simplify right side
    48,423.57x = 970,697,590.07
  5. Step 5: Solve for x
    x = 970,697,590.07/48,423.57
  6. Step 6: Final answer
    x = 20,045.98

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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.