Home / 104,099.45-143,657.55-56,353.19

Finding the Fourth Proportional to 104,099.45, 143,657.55 and 56,353.19

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Solution

The fourth proportional to 104,099.45, 143,657.55 and 56,353.19 is: 77,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,099.45 : 143,657.55 = 56,353.19 : x
  2. Step 2: Convert to fraction form
    104,099.45/143,657.55 = 56,353.19/x
  3. Step 3: Cross multiply
    104,099.45x = 143,657.55 × 56,353.19
  4. Step 4: Simplify right side
    104,099.45x = 8,095,560,491.80
  5. Step 5: Solve for x
    x = 8,095,560,491.80/104,099.45
  6. Step 6: Final answer
    x = 77,767.57

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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.