Home / 104,110.39-143,672.68-56,363.93

Finding the Fourth Proportional to 104,110.39, 143,672.68 and 56,363.93

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Solution

The fourth proportional to 104,110.39, 143,672.68 and 56,363.93 is: 77,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,110.39 : 143,672.68 = 56,363.93 : x
  2. Step 2: Convert to fraction form
    104,110.39/143,672.68 = 56,363.93/x
  3. Step 3: Cross multiply
    104,110.39x = 143,672.68 × 56,363.93
  4. Step 4: Simplify right side
    104,110.39x = 8,097,956,878.43
  5. Step 5: Solve for x
    x = 8,097,956,878.43/104,110.39
  6. Step 6: Final answer
    x = 77,782.41

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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.