Home / 52,862.94-79,326.42-21,280.02

Finding the Fourth Proportional to 52,862.94, 79,326.42 and 21,280.02

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Solution

The fourth proportional to 52,862.94, 79,326.42 and 21,280.02 is: 31,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,862.94 : 79,326.42 = 21,280.02 : x
  2. Step 2: Convert to fraction form
    52,862.94/79,326.42 = 21,280.02/x
  3. Step 3: Cross multiply
    52,862.94x = 79,326.42 × 21,280.02
  4. Step 4: Simplify right side
    52,862.94x = 1,688,067,804.13
  5. Step 5: Solve for x
    x = 1,688,067,804.13/52,862.94
  6. Step 6: Final answer
    x = 31,932.92

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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.