Home / 104,890.29-144,766.15-61,880.46

Finding the Fourth Proportional to 104,890.29, 144,766.15 and 61,880.46

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Solution

The fourth proportional to 104,890.29, 144,766.15 and 61,880.46 is: 85,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,890.29 : 144,766.15 = 61,880.46 : x
  2. Step 2: Convert to fraction form
    104,890.29/144,766.15 = 61,880.46/x
  3. Step 3: Cross multiply
    104,890.29x = 144,766.15 × 61,880.46
  4. Step 4: Simplify right side
    104,890.29x = 8,958,195,604.93
  5. Step 5: Solve for x
    x = 8,958,195,604.93/104,890.29
  6. Step 6: Final answer
    x = 85,405.38

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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.