Home / 52,547.94-78,826.80-20,950.35

Finding the Fourth Proportional to 52,547.94, 78,826.80 and 20,950.35

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Solution

The fourth proportional to 52,547.94, 78,826.80 and 20,950.35 is: 31,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,547.94 : 78,826.80 = 20,950.35 : x
  2. Step 2: Convert to fraction form
    52,547.94/78,826.80 = 20,950.35/x
  3. Step 3: Cross multiply
    52,547.94x = 78,826.80 × 20,950.35
  4. Step 4: Simplify right side
    52,547.94x = 1,651,449,049.38
  5. Step 5: Solve for x
    x = 1,651,449,049.38/52,547.94
  6. Step 6: Final answer
    x = 31,427.47

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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.