Home / 49,845.18-68,769.32-28,332.74

Finding the Fourth Proportional to 49,845.18, 68,769.32 and 28,332.74

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Solution

The fourth proportional to 49,845.18, 68,769.32 and 28,332.74 is: 39,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.18 : 68,769.32 = 28,332.74 : x
  2. Step 2: Convert to fraction form
    49,845.18/68,769.32 = 28,332.74/x
  3. Step 3: Cross multiply
    49,845.18x = 68,769.32 × 28,332.74
  4. Step 4: Simplify right side
    49,845.18x = 1,948,423,263.54
  5. Step 5: Solve for x
    x = 1,948,423,263.54/49,845.18
  6. Step 6: Final answer
    x = 39,089.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.