Home / 49,854.51-68,730.32-39,816.75

Finding the Fourth Proportional to 49,854.51, 68,730.32 and 39,816.75

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Solution

The fourth proportional to 49,854.51, 68,730.32 and 39,816.75 is: 54,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854.51 : 68,730.32 = 39,816.75 : x
  2. Step 2: Convert to fraction form
    49,854.51/68,730.32 = 39,816.75/x
  3. Step 3: Cross multiply
    49,854.51x = 68,730.32 × 39,816.75
  4. Step 4: Simplify right side
    49,854.51x = 2,736,617,769.78
  5. Step 5: Solve for x
    x = 2,736,617,769.78/49,854.51
  6. Step 6: Final answer
    x = 54,892.08

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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.