Home / 53,288.82-79,866.18-28,267.02

Finding the Fourth Proportional to 53,288.82, 79,866.18 and 28,267.02

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Solution

The fourth proportional to 53,288.82, 79,866.18 and 28,267.02 is: 42,364.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,288.82 : 79,866.18 = 28,267.02 : x
  2. Step 2: Convert to fraction form
    53,288.82/79,866.18 = 28,267.02/x
  3. Step 3: Cross multiply
    53,288.82x = 79,866.18 × 28,267.02
  4. Step 4: Simplify right side
    53,288.82x = 2,257,578,907.38
  5. Step 5: Solve for x
    x = 2,257,578,907.38/53,288.82
  6. Step 6: Final answer
    x = 42,364.96

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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.