Home / 104,401.41-144,072.39-61,385.76

Finding the Fourth Proportional to 104,401.41, 144,072.39 and 61,385.76

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Solution

The fourth proportional to 104,401.41, 144,072.39 and 61,385.76 is: 84,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,401.41 : 144,072.39 = 61,385.76 : x
  2. Step 2: Convert to fraction form
    104,401.41/144,072.39 = 61,385.76/x
  3. Step 3: Cross multiply
    104,401.41x = 144,072.39 × 61,385.76
  4. Step 4: Simplify right side
    104,401.41x = 8,843,993,155.17
  5. Step 5: Solve for x
    x = 8,843,993,155.17/104,401.41
  6. Step 6: Final answer
    x = 84,711.43

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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.