Home / 89,427.34-123,358.34-55,835.02

Finding the Fourth Proportional to 89,427.34, 123,358.34 and 55,835.02

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Solution

The fourth proportional to 89,427.34, 123,358.34 and 55,835.02 is: 77,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,427.34 : 123,358.34 = 55,835.02 : x
  2. Step 2: Convert to fraction form
    89,427.34/123,358.34 = 55,835.02/x
  3. Step 3: Cross multiply
    89,427.34x = 123,358.34 × 55,835.02
  4. Step 4: Simplify right side
    89,427.34x = 6,887,715,674.85
  5. Step 5: Solve for x
    x = 6,887,715,674.85/89,427.34
  6. Step 6: Final answer
    x = 77,020.24

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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.