Home / 104,101.85-143,660.51-56,355.16

Finding the Fourth Proportional to 104,101.85, 143,660.51 and 56,355.16

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Solution

The fourth proportional to 104,101.85, 143,660.51 and 56,355.16 is: 77,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,101.85 : 143,660.51 = 56,355.16 : x
  2. Step 2: Convert to fraction form
    104,101.85/143,660.51 = 56,355.16/x
  3. Step 3: Cross multiply
    104,101.85x = 143,660.51 × 56,355.16
  4. Step 4: Simplify right side
    104,101.85x = 8,096,010,308.43
  5. Step 5: Solve for x
    x = 8,096,010,308.43/104,101.85
  6. Step 6: Final answer
    x = 77,770.09

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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.