Home / 54,163.60-80,885.51-53,577.16

Finding the Fourth Proportional to 54,163.60, 80,885.51 and 53,577.16

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Solution

The fourth proportional to 54,163.60, 80,885.51 and 53,577.16 is: 80,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.60 : 80,885.51 = 53,577.16 : x
  2. Step 2: Convert to fraction form
    54,163.60/80,885.51 = 53,577.16/x
  3. Step 3: Cross multiply
    54,163.60x = 80,885.51 × 53,577.16
  4. Step 4: Simplify right side
    54,163.60x = 4,333,615,641.77
  5. Step 5: Solve for x
    x = 4,333,615,641.77/54,163.60
  6. Step 6: Final answer
    x = 80,009.75

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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.