Home / 54,935.75-82,403.62-52,130.93

Finding the Fourth Proportional to 54,935.75, 82,403.62 and 52,130.93

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Solution

The fourth proportional to 54,935.75, 82,403.62 and 52,130.93 is: 78,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.75 : 82,403.62 = 52,130.93 : x
  2. Step 2: Convert to fraction form
    54,935.75/82,403.62 = 52,130.93/x
  3. Step 3: Cross multiply
    54,935.75x = 82,403.62 × 52,130.93
  4. Step 4: Simplify right side
    54,935.75x = 4,295,776,803.62
  5. Step 5: Solve for x
    x = 4,295,776,803.62/54,935.75
  6. Step 6: Final answer
    x = 78,196.38

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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.