Home / 89,464.08-123,338.79-67,564.65

Finding the Fourth Proportional to 89,464.08, 123,338.79 and 67,564.65

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Solution

The fourth proportional to 89,464.08, 123,338.79 and 67,564.65 is: 93,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,464.08 : 123,338.79 = 67,564.65 : x
  2. Step 2: Convert to fraction form
    89,464.08/123,338.79 = 67,564.65/x
  3. Step 3: Cross multiply
    89,464.08x = 123,338.79 × 67,564.65
  4. Step 4: Simplify right side
    89,464.08x = 8,333,342,177.77
  5. Step 5: Solve for x
    x = 8,333,342,177.77/89,464.08
  6. Step 6: Final answer
    x = 93,147.35

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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.