Home / 89,635.53-134,421.92-26,438.91

Finding the Fourth Proportional to 89,635.53, 134,421.92 and 26,438.91

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Solution

The fourth proportional to 89,635.53, 134,421.92 and 26,438.91 is: 39,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,635.53 : 134,421.92 = 26,438.91 : x
  2. Step 2: Convert to fraction form
    89,635.53/134,421.92 = 26,438.91/x
  3. Step 3: Cross multiply
    89,635.53x = 134,421.92 × 26,438.91
  4. Step 4: Simplify right side
    89,635.53x = 3,553,968,912.71
  5. Step 5: Solve for x
    x = 3,553,968,912.71/89,635.53
  6. Step 6: Final answer
    x = 39,649.11

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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.