Home / 74,868.10-103,328.37-43,036.32

Finding the Fourth Proportional to 74,868.10, 103,328.37 and 43,036.32

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Solution

The fourth proportional to 74,868.10, 103,328.37 and 43,036.32 is: 59,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,868.10 : 103,328.37 = 43,036.32 : x
  2. Step 2: Convert to fraction form
    74,868.10/103,328.37 = 43,036.32/x
  3. Step 3: Cross multiply
    74,868.10x = 103,328.37 × 43,036.32
  4. Step 4: Simplify right side
    74,868.10x = 4,446,872,796.40
  5. Step 5: Solve for x
    x = 4,446,872,796.40/74,868.10
  6. Step 6: Final answer
    x = 59,396.10

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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.