Home / 77,414.35-106,841.70-45,586.21

Finding the Fourth Proportional to 77,414.35, 106,841.70 and 45,586.21

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Solution

The fourth proportional to 77,414.35, 106,841.70 and 45,586.21 is: 62,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,414.35 : 106,841.70 = 45,586.21 : x
  2. Step 2: Convert to fraction form
    77,414.35/106,841.70 = 45,586.21/x
  3. Step 3: Cross multiply
    77,414.35x = 106,841.70 × 45,586.21
  4. Step 4: Simplify right side
    77,414.35x = 4,870,508,172.96
  5. Step 5: Solve for x
    x = 4,870,508,172.96/77,414.35
  6. Step 6: Final answer
    x = 62,914.80

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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.