Home / 74,912.02-103,377.81-43,080.10

Finding the Fourth Proportional to 74,912.02, 103,377.81 and 43,080.10

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Solution

The fourth proportional to 74,912.02, 103,377.81 and 43,080.10 is: 59,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,912.02 : 103,377.81 = 43,080.10 : x
  2. Step 2: Convert to fraction form
    74,912.02/103,377.81 = 43,080.10/x
  3. Step 3: Cross multiply
    74,912.02x = 103,377.81 × 43,080.10
  4. Step 4: Simplify right side
    74,912.02x = 4,453,526,392.58
  5. Step 5: Solve for x
    x = 4,453,526,392.58/74,912.02
  6. Step 6: Final answer
    x = 59,450.09

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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.