Home / 54,315.96-74,525.72-53,384.12

Finding the Fourth Proportional to 54,315.96, 74,525.72 and 53,384.12

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Solution

The fourth proportional to 54,315.96, 74,525.72 and 53,384.12 is: 73,247.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.96 : 74,525.72 = 53,384.12 : x
  2. Step 2: Convert to fraction form
    54,315.96/74,525.72 = 53,384.12/x
  3. Step 3: Cross multiply
    54,315.96x = 74,525.72 × 53,384.12
  4. Step 4: Simplify right side
    54,315.96x = 3,978,489,979.57
  5. Step 5: Solve for x
    x = 3,978,489,979.57/54,315.96
  6. Step 6: Final answer
    x = 73,247.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.