Home / 99,269.16-136,992-53,947.52

Finding the Fourth Proportional to 99,269.16, 136,992 and 53,947.52

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Solution

The fourth proportional to 99,269.16, 136,992 and 53,947.52 is: 74,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,269.16 : 136,992 = 53,947.52 : x
  2. Step 2: Convert to fraction form
    99,269.16/136,992 = 53,947.52/x
  3. Step 3: Cross multiply
    99,269.16x = 136,992 × 53,947.52
  4. Step 4: Simplify right side
    99,269.16x = 7,390,378,659.84
  5. Step 5: Solve for x
    x = 7,390,378,659.84/99,269.16
  6. Step 6: Final answer
    x = 74,447.88

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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.