Home / 79,319.07-118,995-26,732.64

Finding the Fourth Proportional to 79,319.07, 118,995 and 26,732.64

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Solution

The fourth proportional to 79,319.07, 118,995 and 26,732.64 is: 40,104.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,319.07 : 118,995 = 26,732.64 : x
  2. Step 2: Convert to fraction form
    79,319.07/118,995 = 26,732.64/x
  3. Step 3: Cross multiply
    79,319.07x = 118,995 × 26,732.64
  4. Step 4: Simplify right side
    79,319.07x = 3,181,050,496.80
  5. Step 5: Solve for x
    x = 3,181,050,496.80/79,319.07
  6. Step 6: Final answer
    x = 40,104.49

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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.