Home / 85,095.35-117,463.72-66,898.60

Finding the Fourth Proportional to 85,095.35, 117,463.72 and 66,898.60

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Solution

The fourth proportional to 85,095.35, 117,463.72 and 66,898.60 is: 92,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,095.35 : 117,463.72 = 66,898.60 : x
  2. Step 2: Convert to fraction form
    85,095.35/117,463.72 = 66,898.60/x
  3. Step 3: Cross multiply
    85,095.35x = 117,463.72 × 66,898.60
  4. Step 4: Simplify right side
    85,095.35x = 7,858,158,418.79
  5. Step 5: Solve for x
    x = 7,858,158,418.79/85,095.35
  6. Step 6: Final answer
    x = 92,345.33

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1.5x scale

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.