Home / 104,025.44-143,556.15-56,279.81

Finding the Fourth Proportional to 104,025.44, 143,556.15 and 56,279.81

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Solution

The fourth proportional to 104,025.44, 143,556.15 and 56,279.81 is: 77,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,025.44 : 143,556.15 = 56,279.81 : x
  2. Step 2: Convert to fraction form
    104,025.44/143,556.15 = 56,279.81/x
  3. Step 3: Cross multiply
    104,025.44x = 143,556.15 × 56,279.81
  4. Step 4: Simplify right side
    104,025.44x = 8,079,312,564.93
  5. Step 5: Solve for x
    x = 8,079,312,564.93/104,025.44
  6. Step 6: Final answer
    x = 77,666.70

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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.