Home / 57,261.78-79,005.11-37,119.51

Finding the Fourth Proportional to 57,261.78, 79,005.11 and 37,119.51

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Solution

The fourth proportional to 57,261.78, 79,005.11 and 37,119.51 is: 51,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,261.78 : 79,005.11 = 37,119.51 : x
  2. Step 2: Convert to fraction form
    57,261.78/79,005.11 = 37,119.51/x
  3. Step 3: Cross multiply
    57,261.78x = 79,005.11 × 37,119.51
  4. Step 4: Simplify right side
    57,261.78x = 2,932,630,785.10
  5. Step 5: Solve for x
    x = 2,932,630,785.10/57,261.78
  6. Step 6: Final answer
    x = 51,214.45

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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.