Home / 99,109.27-136,770.86-53,787.24

Finding the Fourth Proportional to 99,109.27, 136,770.86 and 53,787.24

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Solution

The fourth proportional to 99,109.27, 136,770.86 and 53,787.24 is: 74,226.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,109.27 : 136,770.86 = 53,787.24 : x
  2. Step 2: Convert to fraction form
    99,109.27/136,770.86 = 53,787.24/x
  3. Step 3: Cross multiply
    99,109.27x = 136,770.86 × 53,787.24
  4. Step 4: Simplify right side
    99,109.27x = 7,356,526,424.26
  5. Step 5: Solve for x
    x = 7,356,526,424.26/99,109.27
  6. Step 6: Final answer
    x = 74,226.42

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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.