Home / 72,772.43-109,118.95-25,374.77

Finding the Fourth Proportional to 72,772.43, 109,118.95 and 25,374.77

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Solution

The fourth proportional to 72,772.43, 109,118.95 and 25,374.77 is: 38,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,772.43 : 109,118.95 = 25,374.77 : x
  2. Step 2: Convert to fraction form
    72,772.43/109,118.95 = 25,374.77/x
  3. Step 3: Cross multiply
    72,772.43x = 109,118.95 × 25,374.77
  4. Step 4: Simplify right side
    72,772.43x = 2,768,868,059.06
  5. Step 5: Solve for x
    x = 2,768,868,059.06/72,772.43
  6. Step 6: Final answer
    x = 38,048.31

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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.