Home / 109,956.69-151,727.45-61,561.35

Finding the Fourth Proportional to 109,956.69, 151,727.45 and 61,561.35

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Solution

The fourth proportional to 109,956.69, 151,727.45 and 61,561.35 is: 84,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,956.69 : 151,727.45 = 61,561.35 : x
  2. Step 2: Convert to fraction form
    109,956.69/151,727.45 = 61,561.35/x
  3. Step 3: Cross multiply
    109,956.69x = 151,727.45 × 61,561.35
  4. Step 4: Simplify right side
    109,956.69x = 9,340,546,346.25
  5. Step 5: Solve for x
    x = 9,340,546,346.25/109,956.69
  6. Step 6: Final answer
    x = 84,947.50

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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.