Home / 74,060.55-111,116.75-21,473.19

Finding the Fourth Proportional to 74,060.55, 111,116.75 and 21,473.19

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Solution

The fourth proportional to 74,060.55, 111,116.75 and 21,473.19 is: 32,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,060.55 : 111,116.75 = 21,473.19 : x
  2. Step 2: Convert to fraction form
    74,060.55/111,116.75 = 21,473.19/x
  3. Step 3: Cross multiply
    74,060.55x = 111,116.75 × 21,473.19
  4. Step 4: Simplify right side
    74,060.55x = 2,386,030,977.57
  5. Step 5: Solve for x
    x = 2,386,030,977.57/74,060.55
  6. Step 6: Final answer
    x = 32,217.30

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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.