Home / 85,095.85-117,431.28-46,854.60

Finding the Fourth Proportional to 85,095.85, 117,431.28 and 46,854.60

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Solution

The fourth proportional to 85,095.85, 117,431.28 and 46,854.60 is: 64,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,095.85 : 117,431.28 = 46,854.60 : x
  2. Step 2: Convert to fraction form
    85,095.85/117,431.28 = 46,854.60/x
  3. Step 3: Cross multiply
    85,095.85x = 117,431.28 × 46,854.60
  4. Step 4: Simplify right side
    85,095.85x = 5,502,195,651.89
  5. Step 5: Solve for x
    x = 5,502,195,651.89/85,095.85
  6. Step 6: Final answer
    x = 64,658.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.