Home / 89,799.35-123,794.34-70,645.85

Finding the Fourth Proportional to 89,799.35, 123,794.34 and 70,645.85

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Solution

The fourth proportional to 89,799.35, 123,794.34 and 70,645.85 is: 97,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,799.35 : 123,794.34 = 70,645.85 : x
  2. Step 2: Convert to fraction form
    89,799.35/123,794.34 = 70,645.85/x
  3. Step 3: Cross multiply
    89,799.35x = 123,794.34 × 70,645.85
  4. Step 4: Simplify right side
    89,799.35x = 8,745,556,651.17
  5. Step 5: Solve for x
    x = 8,745,556,651.17/89,799.35
  6. Step 6: Final answer
    x = 97,389.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.