Home / 52,237.86-78,356.25-12,795.18

Finding the Fourth Proportional to 52,237.86, 78,356.25 and 12,795.18

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Solution

The fourth proportional to 52,237.86, 78,356.25 and 12,795.18 is: 19,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,237.86 : 78,356.25 = 12,795.18 : x
  2. Step 2: Convert to fraction form
    52,237.86/78,356.25 = 12,795.18/x
  3. Step 3: Cross multiply
    52,237.86x = 78,356.25 × 12,795.18
  4. Step 4: Simplify right side
    52,237.86x = 1,002,582,322.88
  5. Step 5: Solve for x
    x = 1,002,582,322.88/52,237.86
  6. Step 6: Final answer
    x = 19,192.64

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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.