Home / 43,151.22-64,742.42-15,075.42

Finding the Fourth Proportional to 43,151.22, 64,742.42 and 15,075.42

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Solution

The fourth proportional to 43,151.22, 64,742.42 and 15,075.42 is: 22,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,151.22 : 64,742.42 = 15,075.42 : x
  2. Step 2: Convert to fraction form
    43,151.22/64,742.42 = 15,075.42/x
  3. Step 3: Cross multiply
    43,151.22x = 64,742.42 × 15,075.42
  4. Step 4: Simplify right side
    43,151.22x = 976,019,097.94
  5. Step 5: Solve for x
    x = 976,019,097.94/43,151.22
  6. Step 6: Final answer
    x = 22,618.57

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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.