Home / 72,093.24-107,989.16-57,977.10

Finding the Fourth Proportional to 72,093.24, 107,989.16 and 57,977.10

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Solution

The fourth proportional to 72,093.24, 107,989.16 and 57,977.10 is: 86,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,093.24 : 107,989.16 = 57,977.10 : x
  2. Step 2: Convert to fraction form
    72,093.24/107,989.16 = 57,977.10/x
  3. Step 3: Cross multiply
    72,093.24x = 107,989.16 × 57,977.10
  4. Step 4: Simplify right side
    72,093.24x = 6,260,898,328.24
  5. Step 5: Solve for x
    x = 6,260,898,328.24/72,093.24
  6. Step 6: Final answer
    x = 86,844.46

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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.