Home / 79,157.88-118,506.96-55,436.04

Finding the Fourth Proportional to 79,157.88, 118,506.96 and 55,436.04

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Solution

The fourth proportional to 79,157.88, 118,506.96 and 55,436.04 is: 82,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,157.88 : 118,506.96 = 55,436.04 : x
  2. Step 2: Convert to fraction form
    79,157.88/118,506.96 = 55,436.04/x
  3. Step 3: Cross multiply
    79,157.88x = 118,506.96 × 55,436.04
  4. Step 4: Simplify right side
    79,157.88x = 6,569,556,574.84
  5. Step 5: Solve for x
    x = 6,569,556,574.84/79,157.88
  6. Step 6: Final answer
    x = 82,993.08

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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.