Home / 104,556.36-144,289.32-56,810.64

Finding the Fourth Proportional to 104,556.36, 144,289.32 and 56,810.64

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Solution

The fourth proportional to 104,556.36, 144,289.32 and 56,810.64 is: 78,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556.36 : 144,289.32 = 56,810.64 : x
  2. Step 2: Convert to fraction form
    104,556.36/144,289.32 = 56,810.64/x
  3. Step 3: Cross multiply
    104,556.36x = 144,289.32 × 56,810.64
  4. Step 4: Simplify right side
    104,556.36x = 8,197,168,614.36
  5. Step 5: Solve for x
    x = 8,197,168,614.36/104,556.36
  6. Step 6: Final answer
    x = 78,399.52

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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.