Home / 89,235.58-123,155.39-53,425.56

Finding the Fourth Proportional to 89,235.58, 123,155.39 and 53,425.56

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Solution

The fourth proportional to 89,235.58, 123,155.39 and 53,425.56 is: 73,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.58 : 123,155.39 = 53,425.56 : x
  2. Step 2: Convert to fraction form
    89,235.58/123,155.39 = 53,425.56/x
  3. Step 3: Cross multiply
    89,235.58x = 123,155.39 × 53,425.56
  4. Step 4: Simplify right side
    89,235.58x = 6,579,645,677.77
  5. Step 5: Solve for x
    x = 6,579,645,677.77/89,235.58
  6. Step 6: Final answer
    x = 73,733.43

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1.5x scale

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.