Home / 88,647.35-122,349.21-52,839.68

Finding the Fourth Proportional to 88,647.35, 122,349.21 and 52,839.68

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Solution

The fourth proportional to 88,647.35, 122,349.21 and 52,839.68 is: 72,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.35 : 122,349.21 = 52,839.68 : x
  2. Step 2: Convert to fraction form
    88,647.35/122,349.21 = 52,839.68/x
  3. Step 3: Cross multiply
    88,647.35x = 122,349.21 × 52,839.68
  4. Step 4: Simplify right side
    88,647.35x = 6,464,893,104.65
  5. Step 5: Solve for x
    x = 6,464,893,104.65/88,647.35
  6. Step 6: Final answer
    x = 72,928.22

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1.5x scale

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.