Home / 99,006.90-136,651.82-83,063.67

Finding the Fourth Proportional to 99,006.90, 136,651.82 and 83,063.67

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Solution

The fourth proportional to 99,006.90, 136,651.82 and 83,063.67 is: 114,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,006.90 : 136,651.82 = 83,063.67 : x
  2. Step 2: Convert to fraction form
    99,006.90/136,651.82 = 83,063.67/x
  3. Step 3: Cross multiply
    99,006.90x = 136,651.82 × 83,063.67
  4. Step 4: Simplify right side
    99,006.90x = 11,350,801,681.38
  5. Step 5: Solve for x
    x = 11,350,801,681.38/99,006.90
  6. Step 6: Final answer
    x = 114,646.57

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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.