Home / 112,247.28-154,898.98-61,261.02

Finding the Fourth Proportional to 112,247.28, 154,898.98 and 61,261.02

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Solution

The fourth proportional to 112,247.28, 154,898.98 and 61,261.02 is: 84,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,247.28 : 154,898.98 = 61,261.02 : x
  2. Step 2: Convert to fraction form
    112,247.28/154,898.98 = 61,261.02/x
  3. Step 3: Cross multiply
    112,247.28x = 154,898.98 × 61,261.02
  4. Step 4: Simplify right side
    112,247.28x = 9,489,269,511.76
  5. Step 5: Solve for x
    x = 9,489,269,511.76/112,247.28
  6. Step 6: Final answer
    x = 84,538.97

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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.