Home / 55,022.42-82,533.63-28,721.01

Finding the Fourth Proportional to 55,022.42, 82,533.63 and 28,721.01

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Solution

The fourth proportional to 55,022.42, 82,533.63 and 28,721.01 is: 43,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,022.42 : 82,533.63 = 28,721.01 : x
  2. Step 2: Convert to fraction form
    55,022.42/82,533.63 = 28,721.01/x
  3. Step 3: Cross multiply
    55,022.42x = 82,533.63 × 28,721.01
  4. Step 4: Simplify right side
    55,022.42x = 2,370,448,728.10
  5. Step 5: Solve for x
    x = 2,370,448,728.10/55,022.42
  6. Step 6: Final answer
    x = 43,081.51

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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.