Home / 57,236.32-78,986.64-32,085.92

Finding the Fourth Proportional to 57,236.32, 78,986.64 and 32,085.92

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Solution

The fourth proportional to 57,236.32, 78,986.64 and 32,085.92 is: 44,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,236.32 : 78,986.64 = 32,085.92 : x
  2. Step 2: Convert to fraction form
    57,236.32/78,986.64 = 32,085.92/x
  3. Step 3: Cross multiply
    57,236.32x = 78,986.64 × 32,085.92
  4. Step 4: Simplify right side
    57,236.32x = 2,534,359,012.11
  5. Step 5: Solve for x
    x = 2,534,359,012.11/57,236.32
  6. Step 6: Final answer
    x = 44,278.86

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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.