Home / 65,916.99-90,965.23-35,702.24

Finding the Fourth Proportional to 65,916.99, 90,965.23 and 35,702.24

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Solution

The fourth proportional to 65,916.99, 90,965.23 and 35,702.24 is: 49,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.99 : 90,965.23 = 35,702.24 : x
  2. Step 2: Convert to fraction form
    65,916.99/90,965.23 = 35,702.24/x
  3. Step 3: Cross multiply
    65,916.99x = 90,965.23 × 35,702.24
  4. Step 4: Simplify right side
    65,916.99x = 3,247,661,929.03
  5. Step 5: Solve for x
    x = 3,247,661,929.03/65,916.99
  6. Step 6: Final answer
    x = 49,268.97

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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.