Home / 53,969.72-80,972.51-23,979.79

Finding the Fourth Proportional to 53,969.72, 80,972.51 and 23,979.79

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Solution

The fourth proportional to 53,969.72, 80,972.51 and 23,979.79 is: 35,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,969.72 : 80,972.51 = 23,979.79 : x
  2. Step 2: Convert to fraction form
    53,969.72/80,972.51 = 23,979.79/x
  3. Step 3: Cross multiply
    53,969.72x = 80,972.51 × 23,979.79
  4. Step 4: Simplify right side
    53,969.72x = 1,941,703,785.57
  5. Step 5: Solve for x
    x = 1,941,703,785.57/53,969.72
  6. Step 6: Final answer
    x = 35,977.65

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1.5x scale

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.