Home / 89,023.91-122,936.27-57,248.01

Finding the Fourth Proportional to 89,023.91, 122,936.27 and 57,248.01

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Solution

The fourth proportional to 89,023.91, 122,936.27 and 57,248.01 is: 79,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.91 : 122,936.27 = 57,248.01 : x
  2. Step 2: Convert to fraction form
    89,023.91/122,936.27 = 57,248.01/x
  3. Step 3: Cross multiply
    89,023.91x = 122,936.27 × 57,248.01
  4. Step 4: Simplify right side
    89,023.91x = 7,037,856,528.08
  5. Step 5: Solve for x
    x = 7,037,856,528.08/89,023.91
  6. Step 6: Final answer
    x = 79,055.81

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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.