Home / 48,009.28-72,039.78-23,385.28

Finding the Fourth Proportional to 48,009.28, 72,039.78 and 23,385.28

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Solution

The fourth proportional to 48,009.28, 72,039.78 and 23,385.28 is: 35,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009.28 : 72,039.78 = 23,385.28 : x
  2. Step 2: Convert to fraction form
    48,009.28/72,039.78 = 23,385.28/x
  3. Step 3: Cross multiply
    48,009.28x = 72,039.78 × 23,385.28
  4. Step 4: Simplify right side
    48,009.28x = 1,684,670,426.44
  5. Step 5: Solve for x
    x = 1,684,670,426.44/48,009.28
  6. Step 6: Final answer
    x = 35,090.52

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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.