Home / 89,084.75-122,938.83-48,800.21

Finding the Fourth Proportional to 89,084.75, 122,938.83 and 48,800.21

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Solution

The fourth proportional to 89,084.75, 122,938.83 and 48,800.21 is: 67,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,084.75 : 122,938.83 = 48,800.21 : x
  2. Step 2: Convert to fraction form
    89,084.75/122,938.83 = 48,800.21/x
  3. Step 3: Cross multiply
    89,084.75x = 122,938.83 × 48,800.21
  4. Step 4: Simplify right side
    89,084.75x = 5,999,440,106.46
  5. Step 5: Solve for x
    x = 5,999,440,106.46/89,084.75
  6. Step 6: Final answer
    x = 67,345.31

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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.