Home / 66,370.11-99,497.93-31,285.23

Finding the Fourth Proportional to 66,370.11, 99,497.93 and 31,285.23

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Solution

The fourth proportional to 66,370.11, 99,497.93 and 31,285.23 is: 46,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,370.11 : 99,497.93 = 31,285.23 : x
  2. Step 2: Convert to fraction form
    66,370.11/99,497.93 = 31,285.23/x
  3. Step 3: Cross multiply
    66,370.11x = 99,497.93 × 31,285.23
  4. Step 4: Simplify right side
    66,370.11x = 3,112,815,468.15
  5. Step 5: Solve for x
    x = 3,112,815,468.15/66,370.11
  6. Step 6: Final answer
    x = 46,900.86

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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.