Home / 53,438.19-73,694.25-39,856.23

Finding the Fourth Proportional to 53,438.19, 73,694.25 and 39,856.23

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Solution

The fourth proportional to 53,438.19, 73,694.25 and 39,856.23 is: 54,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,438.19 : 73,694.25 = 39,856.23 : x
  2. Step 2: Convert to fraction form
    53,438.19/73,694.25 = 39,856.23/x
  3. Step 3: Cross multiply
    53,438.19x = 73,694.25 × 39,856.23
  4. Step 4: Simplify right side
    53,438.19x = 2,937,174,977.68
  5. Step 5: Solve for x
    x = 2,937,174,977.68/53,438.19
  6. Step 6: Final answer
    x = 54,963.97

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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.