Home / 57,017.12-78,696.11-33,157.56

Finding the Fourth Proportional to 57,017.12, 78,696.11 and 33,157.56

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Solution

The fourth proportional to 57,017.12, 78,696.11 and 33,157.56 is: 45,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.12 : 78,696.11 = 33,157.56 : x
  2. Step 2: Convert to fraction form
    57,017.12/78,696.11 = 33,157.56/x
  3. Step 3: Cross multiply
    57,017.12x = 78,696.11 × 33,157.56
  4. Step 4: Simplify right side
    57,017.12x = 2,609,370,595.61
  5. Step 5: Solve for x
    x = 2,609,370,595.61/57,017.12
  6. Step 6: Final answer
    x = 45,764.69

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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.