Home / 57,521.51-79,378.89-33,325.76

Finding the Fourth Proportional to 57,521.51, 79,378.89 and 33,325.76

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Solution

The fourth proportional to 57,521.51, 79,378.89 and 33,325.76 is: 45,989.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,521.51 : 79,378.89 = 33,325.76 : x
  2. Step 2: Convert to fraction form
    57,521.51/79,378.89 = 33,325.76/x
  3. Step 3: Cross multiply
    57,521.51x = 79,378.89 × 33,325.76
  4. Step 4: Simplify right side
    57,521.51x = 2,645,361,440.31
  5. Step 5: Solve for x
    x = 2,645,361,440.31/57,521.51
  6. Step 6: Final answer
    x = 45,989.09

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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.