Home / 57,153.08-78,872.37-34,206.53

Finding the Fourth Proportional to 57,153.08, 78,872.37 and 34,206.53

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Solution

The fourth proportional to 57,153.08, 78,872.37 and 34,206.53 is: 47,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.08 : 78,872.37 = 34,206.53 : x
  2. Step 2: Convert to fraction form
    57,153.08/78,872.37 = 34,206.53/x
  3. Step 3: Cross multiply
    57,153.08x = 78,872.37 × 34,206.53
  4. Step 4: Simplify right side
    57,153.08x = 2,697,950,416.03
  5. Step 5: Solve for x
    x = 2,697,950,416.03/57,153.08
  6. Step 6: Final answer
    x = 47,205.69

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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.