Home / 109,576.08-151,211.52-61,828.74

Finding the Fourth Proportional to 109,576.08, 151,211.52 and 61,828.74

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Solution

The fourth proportional to 109,576.08, 151,211.52 and 61,828.74 is: 85,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,576.08 : 151,211.52 = 61,828.74 : x
  2. Step 2: Convert to fraction form
    109,576.08/151,211.52 = 61,828.74/x
  3. Step 3: Cross multiply
    109,576.08x = 151,211.52 × 61,828.74
  4. Step 4: Simplify right side
    109,576.08x = 9,349,217,755.08
  5. Step 5: Solve for x
    x = 9,349,217,755.08/109,576.08
  6. Step 6: Final answer
    x = 85,321.70

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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.