Home / 57,039.53-78,702.23-33,153.98

Finding the Fourth Proportional to 57,039.53, 78,702.23 and 33,153.98

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Solution

The fourth proportional to 57,039.53, 78,702.23 and 33,153.98 is: 45,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.53 : 78,702.23 = 33,153.98 : x
  2. Step 2: Convert to fraction form
    57,039.53/78,702.23 = 33,153.98/x
  3. Step 3: Cross multiply
    57,039.53x = 78,702.23 × 33,153.98
  4. Step 4: Simplify right side
    57,039.53x = 2,609,291,848.75
  5. Step 5: Solve for x
    x = 2,609,291,848.75/57,039.53
  6. Step 6: Final answer
    x = 45,745.33

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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.