Home / 42,791.87-64,172.08-14,703.95

Finding the Fourth Proportional to 42,791.87, 64,172.08 and 14,703.95

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Solution

The fourth proportional to 42,791.87, 64,172.08 and 14,703.95 is: 22,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,791.87 : 64,172.08 = 14,703.95 : x
  2. Step 2: Convert to fraction form
    42,791.87/64,172.08 = 14,703.95/x
  3. Step 3: Cross multiply
    42,791.87x = 64,172.08 × 14,703.95
  4. Step 4: Simplify right side
    42,791.87x = 943,583,055.72
  5. Step 5: Solve for x
    x = 943,583,055.72/42,791.87
  6. Step 6: Final answer
    x = 22,050.52

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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.