Home / 52,570.52-78,855.38-13,127.37

Finding the Fourth Proportional to 52,570.52, 78,855.38 and 13,127.37

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Solution

The fourth proportional to 52,570.52, 78,855.38 and 13,127.37 is: 19,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,570.52 : 78,855.38 = 13,127.37 : x
  2. Step 2: Convert to fraction form
    52,570.52/78,855.38 = 13,127.37/x
  3. Step 3: Cross multiply
    52,570.52x = 78,855.38 × 13,127.37
  4. Step 4: Simplify right side
    52,570.52x = 1,035,163,684.11
  5. Step 5: Solve for x
    x = 1,035,163,684.11/52,570.52
  6. Step 6: Final answer
    x = 19,690.95

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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.