Home / 60,236.51-90,356.21-20,256.01

Finding the Fourth Proportional to 60,236.51, 90,356.21 and 20,256.01

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Solution

The fourth proportional to 60,236.51, 90,356.21 and 20,256.01 is: 30,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,236.51 : 90,356.21 = 20,256.01 : x
  2. Step 2: Convert to fraction form
    60,236.51/90,356.21 = 20,256.01/x
  3. Step 3: Cross multiply
    60,236.51x = 90,356.21 × 20,256.01
  4. Step 4: Simplify right side
    60,236.51x = 1,830,256,456.91
  5. Step 5: Solve for x
    x = 1,830,256,456.91/60,236.51
  6. Step 6: Final answer
    x = 30,384.51

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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.