Home / 57,621.63-79,510.64-32,121.75

Finding the Fourth Proportional to 57,621.63, 79,510.64 and 32,121.75

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Solution

The fourth proportional to 57,621.63, 79,510.64 and 32,121.75 is: 44,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621.63 : 79,510.64 = 32,121.75 : x
  2. Step 2: Convert to fraction form
    57,621.63/79,510.64 = 32,121.75/x
  3. Step 3: Cross multiply
    57,621.63x = 79,510.64 × 32,121.75
  4. Step 4: Simplify right side
    57,621.63x = 2,554,020,739.81
  5. Step 5: Solve for x
    x = 2,554,020,739.81/57,621.63
  6. Step 6: Final answer
    x = 44,323.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.