Home / 74,284.83-111,421.26-29,880.18

Finding the Fourth Proportional to 74,284.83, 111,421.26 and 29,880.18

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Solution

The fourth proportional to 74,284.83, 111,421.26 and 29,880.18 is: 44,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,284.83 : 111,421.26 = 29,880.18 : x
  2. Step 2: Convert to fraction form
    74,284.83/111,421.26 = 29,880.18/x
  3. Step 3: Cross multiply
    74,284.83x = 111,421.26 × 29,880.18
  4. Step 4: Simplify right side
    74,284.83x = 3,329,287,304.63
  5. Step 5: Solve for x
    x = 3,329,287,304.63/74,284.83
  6. Step 6: Final answer
    x = 44,817.86

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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.