Home / 88,718.67-122,431.02-48,431.85

Finding the Fourth Proportional to 88,718.67, 122,431.02 and 48,431.85

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Solution

The fourth proportional to 88,718.67, 122,431.02 and 48,431.85 is: 66,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718.67 : 122,431.02 = 48,431.85 : x
  2. Step 2: Convert to fraction form
    88,718.67/122,431.02 = 48,431.85/x
  3. Step 3: Cross multiply
    88,718.67x = 122,431.02 × 48,431.85
  4. Step 4: Simplify right side
    88,718.67x = 5,929,560,795.99
  5. Step 5: Solve for x
    x = 5,929,560,795.99/88,718.67
  6. Step 6: Final answer
    x = 66,835.55

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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.