Home / 47,120.78-65,026.96-25,900.22

Finding the Fourth Proportional to 47,120.78, 65,026.96 and 25,900.22

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Solution

The fourth proportional to 47,120.78, 65,026.96 and 25,900.22 is: 35,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.78 : 65,026.96 = 25,900.22 : x
  2. Step 2: Convert to fraction form
    47,120.78/65,026.96 = 25,900.22/x
  3. Step 3: Cross multiply
    47,120.78x = 65,026.96 × 25,900.22
  4. Step 4: Simplify right side
    47,120.78x = 1,684,212,569.93
  5. Step 5: Solve for x
    x = 1,684,212,569.93/47,120.78
  6. Step 6: Final answer
    x = 35,742.46

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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.