Home / 88,511.75-122,147.61-48,225.50

Finding the Fourth Proportional to 88,511.75, 122,147.61 and 48,225.50

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Solution

The fourth proportional to 88,511.75, 122,147.61 and 48,225.50 is: 66,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.75 : 122,147.61 = 48,225.50 : x
  2. Step 2: Convert to fraction form
    88,511.75/122,147.61 = 48,225.50/x
  3. Step 3: Cross multiply
    88,511.75x = 122,147.61 × 48,225.50
  4. Step 4: Simplify right side
    88,511.75x = 5,890,628,955.32
  5. Step 5: Solve for x
    x = 5,890,628,955.32/88,511.75
  6. Step 6: Final answer
    x = 66,551.95

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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.