Home / 79,915.30-119,898.94-53,369.26

Finding the Fourth Proportional to 79,915.30, 119,898.94 and 53,369.26

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Solution

The fourth proportional to 79,915.30, 119,898.94 and 53,369.26 is: 80,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,915.30 : 119,898.94 = 53,369.26 : x
  2. Step 2: Convert to fraction form
    79,915.30/119,898.94 = 53,369.26/x
  3. Step 3: Cross multiply
    79,915.30x = 119,898.94 × 53,369.26
  4. Step 4: Simplify right side
    79,915.30x = 6,398,917,702.58
  5. Step 5: Solve for x
    x = 6,398,917,702.58/79,915.30
  6. Step 6: Final answer
    x = 80,071.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.