Home / 57,298.97-86,088.57-54,112.40

Finding the Fourth Proportional to 57,298.97, 86,088.57 and 54,112.40

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Solution

The fourth proportional to 57,298.97, 86,088.57 and 54,112.40 is: 81,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.97 : 86,088.57 = 54,112.40 : x
  2. Step 2: Convert to fraction form
    57,298.97/86,088.57 = 54,112.40/x
  3. Step 3: Cross multiply
    57,298.97x = 86,088.57 × 54,112.40
  4. Step 4: Simplify right side
    57,298.97x = 4,658,458,704.83
  5. Step 5: Solve for x
    x = 4,658,458,704.83/57,298.97
  6. Step 6: Final answer
    x = 81,300.91

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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.