Home / 83,075.88-124,613.83-66,357.64

Finding the Fourth Proportional to 83,075.88, 124,613.83 and 66,357.64

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Solution

The fourth proportional to 83,075.88, 124,613.83 and 66,357.64 is: 99,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,075.88 : 124,613.83 = 66,357.64 : x
  2. Step 2: Convert to fraction form
    83,075.88/124,613.83 = 66,357.64/x
  3. Step 3: Cross multiply
    83,075.88x = 124,613.83 × 66,357.64
  4. Step 4: Simplify right side
    83,075.88x = 8,269,079,908.88
  5. Step 5: Solve for x
    x = 8,269,079,908.88/83,075.88
  6. Step 6: Final answer
    x = 99,536.47

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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.