Home / 89,611.79-134,418.06-36,304.80

Finding the Fourth Proportional to 89,611.79, 134,418.06 and 36,304.80

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Solution

The fourth proportional to 89,611.79, 134,418.06 and 36,304.80 is: 54,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,611.79 : 134,418.06 = 36,304.80 : x
  2. Step 2: Convert to fraction form
    89,611.79/134,418.06 = 36,304.80/x
  3. Step 3: Cross multiply
    89,611.79x = 134,418.06 × 36,304.80
  4. Step 4: Simplify right side
    89,611.79x = 4,880,020,784.69
  5. Step 5: Solve for x
    x = 4,880,020,784.69/89,611.79
  6. Step 6: Final answer
    x = 54,457.35

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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.