Home / 57,268.39-85,437.59-54,168.32

Finding the Fourth Proportional to 57,268.39, 85,437.59 and 54,168.32

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Solution

The fourth proportional to 57,268.39, 85,437.59 and 54,168.32 is: 80,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,268.39 : 85,437.59 = 54,168.32 : x
  2. Step 2: Convert to fraction form
    57,268.39/85,437.59 = 54,168.32/x
  3. Step 3: Cross multiply
    57,268.39x = 85,437.59 × 54,168.32
  4. Step 4: Simplify right side
    57,268.39x = 4,628,010,715.15
  5. Step 5: Solve for x
    x = 4,628,010,715.15/57,268.39
  6. Step 6: Final answer
    x = 80,812.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.