Home / 74,289.55-111,433.10-29,915.18

Finding the Fourth Proportional to 74,289.55, 111,433.10 and 29,915.18

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Solution

The fourth proportional to 74,289.55, 111,433.10 and 29,915.18 is: 44,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,289.55 : 111,433.10 = 29,915.18 : x
  2. Step 2: Convert to fraction form
    74,289.55/111,433.10 = 29,915.18/x
  3. Step 3: Cross multiply
    74,289.55x = 111,433.10 × 29,915.18
  4. Step 4: Simplify right side
    74,289.55x = 3,333,541,597.83
  5. Step 5: Solve for x
    x = 3,333,541,597.83/74,289.55
  6. Step 6: Final answer
    x = 44,872.28

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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.