Home / 55,825.06-83,737.62-20,760.16

Finding the Fourth Proportional to 55,825.06, 83,737.62 and 20,760.16

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Solution

The fourth proportional to 55,825.06, 83,737.62 and 20,760.16 is: 31,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825.06 : 83,737.62 = 20,760.16 : x
  2. Step 2: Convert to fraction form
    55,825.06/83,737.62 = 20,760.16/x
  3. Step 3: Cross multiply
    55,825.06x = 83,737.62 × 20,760.16
  4. Step 4: Simplify right side
    55,825.06x = 1,738,406,389.22
  5. Step 5: Solve for x
    x = 1,738,406,389.22/55,825.06
  6. Step 6: Final answer
    x = 31,140.25

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1.5x scale

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.