Home / 109,741.40-164,498.70-59,715.80

Finding the Fourth Proportional to 109,741.40, 164,498.70 and 59,715.80

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Solution

The fourth proportional to 109,741.40, 164,498.70 and 59,715.80 is: 89,511.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,741.40 : 164,498.70 = 59,715.80 : x
  2. Step 2: Convert to fraction form
    109,741.40/164,498.70 = 59,715.80/x
  3. Step 3: Cross multiply
    109,741.40x = 164,498.70 × 59,715.80
  4. Step 4: Simplify right side
    109,741.40x = 9,823,171,469.46
  5. Step 5: Solve for x
    x = 9,823,171,469.46/109,741.40
  6. Step 6: Final answer
    x = 89,511.99

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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.