Home / 52,471.58-78,686.49-19,184.06

Finding the Fourth Proportional to 52,471.58, 78,686.49 and 19,184.06

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Solution

The fourth proportional to 52,471.58, 78,686.49 and 19,184.06 is: 28,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,471.58 : 78,686.49 = 19,184.06 : x
  2. Step 2: Convert to fraction form
    52,471.58/78,686.49 = 19,184.06/x
  3. Step 3: Cross multiply
    52,471.58x = 78,686.49 × 19,184.06
  4. Step 4: Simplify right side
    52,471.58x = 1,509,526,345.35
  5. Step 5: Solve for x
    x = 1,509,526,345.35/52,471.58
  6. Step 6: Final answer
    x = 28,768.46

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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.