Home / 57,095.08-85,621.32-19,644.56

Finding the Fourth Proportional to 57,095.08, 85,621.32 and 19,644.56

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Solution

The fourth proportional to 57,095.08, 85,621.32 and 19,644.56 is: 29,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095.08 : 85,621.32 = 19,644.56 : x
  2. Step 2: Convert to fraction form
    57,095.08/85,621.32 = 19,644.56/x
  3. Step 3: Cross multiply
    57,095.08x = 85,621.32 × 19,644.56
  4. Step 4: Simplify right side
    57,095.08x = 1,681,993,158.02
  5. Step 5: Solve for x
    x = 1,681,993,158.02/57,095.08
  6. Step 6: Final answer
    x = 29,459.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.