Home / 52,623.18-78,993.93-21,055.52

Finding the Fourth Proportional to 52,623.18, 78,993.93 and 21,055.52

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Solution

The fourth proportional to 52,623.18, 78,993.93 and 21,055.52 is: 31,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,623.18 : 78,993.93 = 21,055.52 : x
  2. Step 2: Convert to fraction form
    52,623.18/78,993.93 = 21,055.52/x
  3. Step 3: Cross multiply
    52,623.18x = 78,993.93 × 21,055.52
  4. Step 4: Simplify right side
    52,623.18x = 1,663,257,986.66
  5. Step 5: Solve for x
    x = 1,663,257,986.66/52,623.18
  6. Step 6: Final answer
    x = 31,606.95

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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.