Home / 47,091.78-64,986.38-25,870.59

Finding the Fourth Proportional to 47,091.78, 64,986.38 and 25,870.59

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Solution

The fourth proportional to 47,091.78, 64,986.38 and 25,870.59 is: 35,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,091.78 : 64,986.38 = 25,870.59 : x
  2. Step 2: Convert to fraction form
    47,091.78/64,986.38 = 25,870.59/x
  3. Step 3: Cross multiply
    47,091.78x = 64,986.38 × 25,870.59
  4. Step 4: Simplify right side
    47,091.78x = 1,681,235,863.21
  5. Step 5: Solve for x
    x = 1,681,235,863.21/47,091.78
  6. Step 6: Final answer
    x = 35,701.26

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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.