Home / 66,567.18-99,865.17-31,002.06

Finding the Fourth Proportional to 66,567.18, 99,865.17 and 31,002.06

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Solution

The fourth proportional to 66,567.18, 99,865.17 and 31,002.06 is: 46,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,567.18 : 99,865.17 = 31,002.06 : x
  2. Step 2: Convert to fraction form
    66,567.18/99,865.17 = 31,002.06/x
  3. Step 3: Cross multiply
    66,567.18x = 99,865.17 × 31,002.06
  4. Step 4: Simplify right side
    66,567.18x = 3,096,025,992.25
  5. Step 5: Solve for x
    x = 3,096,025,992.25/66,567.18
  6. Step 6: Final answer
    x = 46,509.80

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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.