Home / 74,276.99-111,427.77-36,838.28

Finding the Fourth Proportional to 74,276.99, 111,427.77 and 36,838.28

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Solution

The fourth proportional to 74,276.99, 111,427.77 and 36,838.28 is: 55,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276.99 : 111,427.77 = 36,838.28 : x
  2. Step 2: Convert to fraction form
    74,276.99/111,427.77 = 36,838.28/x
  3. Step 3: Cross multiply
    74,276.99x = 111,427.77 × 36,838.28
  4. Step 4: Simplify right side
    74,276.99x = 4,104,806,833.90
  5. Step 5: Solve for x
    x = 4,104,806,833.90/74,276.99
  6. Step 6: Final answer
    x = 55,263.51

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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.