Home / 106,577.82-147,082.77-70,706.70

Finding the Fourth Proportional to 106,577.82, 147,082.77 and 70,706.70

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Solution

The fourth proportional to 106,577.82, 147,082.77 and 70,706.70 is: 97,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,577.82 : 147,082.77 = 70,706.70 : x
  2. Step 2: Convert to fraction form
    106,577.82/147,082.77 = 70,706.70/x
  3. Step 3: Cross multiply
    106,577.82x = 147,082.77 × 70,706.70
  4. Step 4: Simplify right side
    106,577.82x = 10,399,737,293.56
  5. Step 5: Solve for x
    x = 10,399,737,293.56/106,577.82
  6. Step 6: Final answer
    x = 97,578.81

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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.