Home / 74,058.58-111,038.59-40,794.31

Finding the Fourth Proportional to 74,058.58, 111,038.59 and 40,794.31

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Solution

The fourth proportional to 74,058.58, 111,038.59 and 40,794.31 is: 61,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,058.58 : 111,038.59 = 40,794.31 : x
  2. Step 2: Convert to fraction form
    74,058.58/111,038.59 = 40,794.31/x
  3. Step 3: Cross multiply
    74,058.58x = 111,038.59 × 40,794.31
  4. Step 4: Simplify right side
    74,058.58x = 4,529,742,662.42
  5. Step 5: Solve for x
    x = 4,529,742,662.42/74,058.58
  6. Step 6: Final answer
    x = 61,164.32

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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.