Home / 104,103.32-143,661.39-56,355.62

Finding the Fourth Proportional to 104,103.32, 143,661.39 and 56,355.62

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Solution

The fourth proportional to 104,103.32, 143,661.39 and 56,355.62 is: 77,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.32 : 143,661.39 = 56,355.62 : x
  2. Step 2: Convert to fraction form
    104,103.32/143,661.39 = 56,355.62/x
  3. Step 3: Cross multiply
    104,103.32x = 143,661.39 × 56,355.62
  4. Step 4: Simplify right side
    104,103.32x = 8,096,126,703.51
  5. Step 5: Solve for x
    x = 8,096,126,703.51/104,103.32
  6. Step 6: Final answer
    x = 77,770.11

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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.