Home / 57,433.22-86,138.47-54,585.07

Finding the Fourth Proportional to 57,433.22, 86,138.47 and 54,585.07

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Solution

The fourth proportional to 57,433.22, 86,138.47 and 54,585.07 is: 81,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,433.22 : 86,138.47 = 54,585.07 : x
  2. Step 2: Convert to fraction form
    57,433.22/86,138.47 = 54,585.07/x
  3. Step 3: Cross multiply
    57,433.22x = 86,138.47 × 54,585.07
  4. Step 4: Simplify right side
    57,433.22x = 4,701,874,267.53
  5. Step 5: Solve for x
    x = 4,701,874,267.53/57,433.22
  6. Step 6: Final answer
    x = 81,866.81

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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.