Home / 101,926.23-140,728.57-63,702.96

Finding the Fourth Proportional to 101,926.23, 140,728.57 and 63,702.96

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Solution

The fourth proportional to 101,926.23, 140,728.57 and 63,702.96 is: 87,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,926.23 : 140,728.57 = 63,702.96 : x
  2. Step 2: Convert to fraction form
    101,926.23/140,728.57 = 63,702.96/x
  3. Step 3: Cross multiply
    101,926.23x = 140,728.57 × 63,702.96
  4. Step 4: Simplify right side
    101,926.23x = 8,964,826,465.57
  5. Step 5: Solve for x
    x = 8,964,826,465.57/101,926.23
  6. Step 6: Final answer
    x = 87,954.07

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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.