Home / 89,084.80-133,628.62-29,920.98

Finding the Fourth Proportional to 89,084.80, 133,628.62 and 29,920.98

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Solution

The fourth proportional to 89,084.80, 133,628.62 and 29,920.98 is: 44,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,084.80 : 133,628.62 = 29,920.98 : x
  2. Step 2: Convert to fraction form
    89,084.80/133,628.62 = 29,920.98/x
  3. Step 3: Cross multiply
    89,084.80x = 133,628.62 × 29,920.98
  4. Step 4: Simplify right side
    89,084.80x = 3,998,299,266.45
  5. Step 5: Solve for x
    x = 3,998,299,266.45/89,084.80
  6. Step 6: Final answer
    x = 44,881.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.