Home / 117,566.80-162,241.05-66,578.20

Finding the Fourth Proportional to 117,566.80, 162,241.05 and 66,578.20

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Solution

The fourth proportional to 117,566.80, 162,241.05 and 66,578.20 is: 91,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,566.80 : 162,241.05 = 66,578.20 : x
  2. Step 2: Convert to fraction form
    117,566.80/162,241.05 = 66,578.20/x
  3. Step 3: Cross multiply
    117,566.80x = 162,241.05 × 66,578.20
  4. Step 4: Simplify right side
    117,566.80x = 10,801,717,075.11
  5. Step 5: Solve for x
    x = 10,801,717,075.11/117,566.80
  6. Step 6: Final answer
    x = 91,877.27

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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.