Home / 66,087.42-99,191.88-56,756.22

Finding the Fourth Proportional to 66,087.42, 99,191.88 and 56,756.22

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Solution

The fourth proportional to 66,087.42, 99,191.88 and 56,756.22 is: 85,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087.42 : 99,191.88 = 56,756.22 : x
  2. Step 2: Convert to fraction form
    66,087.42/99,191.88 = 56,756.22/x
  3. Step 3: Cross multiply
    66,087.42x = 99,191.88 × 56,756.22
  4. Step 4: Simplify right side
    66,087.42x = 5,629,756,163.49
  5. Step 5: Solve for x
    x = 5,629,756,163.49/66,087.42
  6. Step 6: Final answer
    x = 85,186.50

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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.