Home / 66,317.88-99,372.60-46,307.64

Finding the Fourth Proportional to 66,317.88, 99,372.60 and 46,307.64

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Solution

The fourth proportional to 66,317.88, 99,372.60 and 46,307.64 is: 69,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,317.88 : 99,372.60 = 46,307.64 : x
  2. Step 2: Convert to fraction form
    66,317.88/99,372.60 = 46,307.64/x
  3. Step 3: Cross multiply
    66,317.88x = 99,372.60 × 46,307.64
  4. Step 4: Simplify right side
    66,317.88x = 4,601,710,586.66
  5. Step 5: Solve for x
    x = 4,601,710,586.66/66,317.88
  6. Step 6: Final answer
    x = 69,388.69

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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.