Home / 109,953.24-151,722.64-61,557.80

Finding the Fourth Proportional to 109,953.24, 151,722.64 and 61,557.80

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Solution

The fourth proportional to 109,953.24, 151,722.64 and 61,557.80 is: 84,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,953.24 : 151,722.64 = 61,557.80 : x
  2. Step 2: Convert to fraction form
    109,953.24/151,722.64 = 61,557.80/x
  3. Step 3: Cross multiply
    109,953.24x = 151,722.64 × 61,557.80
  4. Step 4: Simplify right side
    109,953.24x = 9,339,711,928.59
  5. Step 5: Solve for x
    x = 9,339,711,928.59/109,953.24
  6. Step 6: Final answer
    x = 84,942.58

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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.