Home / 104,637.63-144,399.60-56,891.10

Finding the Fourth Proportional to 104,637.63, 144,399.60 and 56,891.10

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Solution

The fourth proportional to 104,637.63, 144,399.60 and 56,891.10 is: 78,509.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637.63 : 144,399.60 = 56,891.10 : x
  2. Step 2: Convert to fraction form
    104,637.63/144,399.60 = 56,891.10/x
  3. Step 3: Cross multiply
    104,637.63x = 144,399.60 × 56,891.10
  4. Step 4: Simplify right side
    104,637.63x = 8,215,052,083.56
  5. Step 5: Solve for x
    x = 8,215,052,083.56/104,637.63
  6. Step 6: Final answer
    x = 78,509.54

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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.