Home / 66,626.35-99,939.49-33,312.87

Finding the Fourth Proportional to 66,626.35, 99,939.49 and 33,312.87

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Solution

The fourth proportional to 66,626.35, 99,939.49 and 33,312.87 is: 49,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,626.35 : 99,939.49 = 33,312.87 : x
  2. Step 2: Convert to fraction form
    66,626.35/99,939.49 = 33,312.87/x
  3. Step 3: Cross multiply
    66,626.35x = 99,939.49 × 33,312.87
  4. Step 4: Simplify right side
    66,626.35x = 3,329,271,154.95
  5. Step 5: Solve for x
    x = 3,329,271,154.95/66,626.35
  6. Step 6: Final answer
    x = 49,969.29

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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.