Home / 104,077.50-143,626.68-56,330.84

Finding the Fourth Proportional to 104,077.50, 143,626.68 and 56,330.84

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Solution

The fourth proportional to 104,077.50, 143,626.68 and 56,330.84 is: 77,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,077.50 : 143,626.68 = 56,330.84 : x
  2. Step 2: Convert to fraction form
    104,077.50/143,626.68 = 56,330.84/x
  3. Step 3: Cross multiply
    104,077.50x = 143,626.68 × 56,330.84
  4. Step 4: Simplify right side
    104,077.50x = 8,090,610,812.68
  5. Step 5: Solve for x
    x = 8,090,610,812.68/104,077.50
  6. Step 6: Final answer
    x = 77,736.41

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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.