Home / 88,647.85-122,349.90-52,840.18

Finding the Fourth Proportional to 88,647.85, 122,349.90 and 52,840.18

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Solution

The fourth proportional to 88,647.85, 122,349.90 and 52,840.18 is: 72,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.85 : 122,349.90 = 52,840.18 : x
  2. Step 2: Convert to fraction form
    88,647.85/122,349.90 = 52,840.18/x
  3. Step 3: Cross multiply
    88,647.85x = 122,349.90 × 52,840.18
  4. Step 4: Simplify right side
    88,647.85x = 6,464,990,738.98
  5. Step 5: Solve for x
    x = 6,464,990,738.98/88,647.85
  6. Step 6: Final answer
    x = 72,928.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.