Home / 43,135.08-64,682.09-15,051.72

Finding the Fourth Proportional to 43,135.08, 64,682.09 and 15,051.72

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Solution

The fourth proportional to 43,135.08, 64,682.09 and 15,051.72 is: 22,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,135.08 : 64,682.09 = 15,051.72 : x
  2. Step 2: Convert to fraction form
    43,135.08/64,682.09 = 15,051.72/x
  3. Step 3: Cross multiply
    43,135.08x = 64,682.09 × 15,051.72
  4. Step 4: Simplify right side
    43,135.08x = 973,577,016.10
  5. Step 5: Solve for x
    x = 973,577,016.10/43,135.08
  6. Step 6: Final answer
    x = 22,570.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.