Home / 74,299.72-111,438.06-21,695.08

Finding the Fourth Proportional to 74,299.72, 111,438.06 and 21,695.08

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Solution

The fourth proportional to 74,299.72, 111,438.06 and 21,695.08 is: 32,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,299.72 : 111,438.06 = 21,695.08 : x
  2. Step 2: Convert to fraction form
    74,299.72/111,438.06 = 21,695.08/x
  3. Step 3: Cross multiply
    74,299.72x = 111,438.06 × 21,695.08
  4. Step 4: Simplify right side
    74,299.72x = 2,417,657,626.74
  5. Step 5: Solve for x
    x = 2,417,657,626.74/74,299.72
  6. Step 6: Final answer
    x = 32,539.26

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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.