Home / 74,294.87-111,441.13-29,920.46

Finding the Fourth Proportional to 74,294.87, 111,441.13 and 29,920.46

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Solution

The fourth proportional to 74,294.87, 111,441.13 and 29,920.46 is: 44,880.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,294.87 : 111,441.13 = 29,920.46 : x
  2. Step 2: Convert to fraction form
    74,294.87/111,441.13 = 29,920.46/x
  3. Step 3: Cross multiply
    74,294.87x = 111,441.13 × 29,920.46
  4. Step 4: Simplify right side
    74,294.87x = 3,334,369,240.51
  5. Step 5: Solve for x
    x = 3,334,369,240.51/74,294.87
  6. Step 6: Final answer
    x = 44,880.21

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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.