Home / 89,461.42-134,211.63-27,136.78

Finding the Fourth Proportional to 89,461.42, 134,211.63 and 27,136.78

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Solution

The fourth proportional to 89,461.42, 134,211.63 and 27,136.78 is: 40,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,461.42 : 134,211.63 = 27,136.78 : x
  2. Step 2: Convert to fraction form
    89,461.42/134,211.63 = 27,136.78/x
  3. Step 3: Cross multiply
    89,461.42x = 134,211.63 × 27,136.78
  4. Step 4: Simplify right side
    89,461.42x = 3,642,071,476.75
  5. Step 5: Solve for x
    x = 3,642,071,476.75/89,461.42
  6. Step 6: Final answer
    x = 40,711.09

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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.