Home / 74,224.10-102,435.73-40,696.58

Finding the Fourth Proportional to 74,224.10, 102,435.73 and 40,696.58

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Solution

The fourth proportional to 74,224.10, 102,435.73 and 40,696.58 is: 56,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,224.10 : 102,435.73 = 40,696.58 : x
  2. Step 2: Convert to fraction form
    74,224.10/102,435.73 = 40,696.58/x
  3. Step 3: Cross multiply
    74,224.10x = 102,435.73 × 40,696.58
  4. Step 4: Simplify right side
    74,224.10x = 4,168,783,880.80
  5. Step 5: Solve for x
    x = 4,168,783,880.80/74,224.10
  6. Step 6: Final answer
    x = 56,164.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.