Home / 99,590.08-137,433.06-54,270.04

Finding the Fourth Proportional to 99,590.08, 137,433.06 and 54,270.04

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Solution

The fourth proportional to 99,590.08, 137,433.06 and 54,270.04 is: 74,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,590.08 : 137,433.06 = 54,270.04 : x
  2. Step 2: Convert to fraction form
    99,590.08/137,433.06 = 54,270.04/x
  3. Step 3: Cross multiply
    99,590.08x = 137,433.06 × 54,270.04
  4. Step 4: Simplify right side
    99,590.08x = 7,458,497,663.52
  5. Step 5: Solve for x
    x = 7,458,497,663.52/99,590.08
  6. Step 6: Final answer
    x = 74,891.97

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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.