Home / 60,314.22-90,477.54-20,871.27

Finding the Fourth Proportional to 60,314.22, 90,477.54 and 20,871.27

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Solution

The fourth proportional to 60,314.22, 90,477.54 and 20,871.27 is: 31,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,314.22 : 90,477.54 = 20,871.27 : x
  2. Step 2: Convert to fraction form
    60,314.22/90,477.54 = 20,871.27/x
  3. Step 3: Cross multiply
    60,314.22x = 90,477.54 × 20,871.27
  4. Step 4: Simplify right side
    60,314.22x = 1,888,381,166.28
  5. Step 5: Solve for x
    x = 1,888,381,166.28/60,314.22
  6. Step 6: Final answer
    x = 31,309.05

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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.