Home / 74,841.21-112,164.62-30,416.27

Finding the Fourth Proportional to 74,841.21, 112,164.62 and 30,416.27

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Solution

The fourth proportional to 74,841.21, 112,164.62 and 30,416.27 is: 45,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,841.21 : 112,164.62 = 30,416.27 : x
  2. Step 2: Convert to fraction form
    74,841.21/112,164.62 = 30,416.27/x
  3. Step 3: Cross multiply
    74,841.21x = 112,164.62 × 30,416.27
  4. Step 4: Simplify right side
    74,841.21x = 3,411,628,653.46
  5. Step 5: Solve for x
    x = 3,411,628,653.46/74,841.21
  6. Step 6: Final answer
    x = 45,584.89

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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.