Home / 48,117.57-72,155.71-16,530.81

Finding the Fourth Proportional to 48,117.57, 72,155.71 and 16,530.81

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Solution

The fourth proportional to 48,117.57, 72,155.71 and 16,530.81 is: 24,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117.57 : 72,155.71 = 16,530.81 : x
  2. Step 2: Convert to fraction form
    48,117.57/72,155.71 = 16,530.81/x
  3. Step 3: Cross multiply
    48,117.57x = 72,155.71 × 16,530.81
  4. Step 4: Simplify right side
    48,117.57x = 1,192,792,332.43
  5. Step 5: Solve for x
    x = 1,192,792,332.43/48,117.57
  6. Step 6: Final answer
    x = 24,789.12

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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.