Home / 85,181.18-117,550.80-46,942.10

Finding the Fourth Proportional to 85,181.18, 117,550.80 and 46,942.10

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Solution

The fourth proportional to 85,181.18, 117,550.80 and 46,942.10 is: 64,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181.18 : 117,550.80 = 46,942.10 : x
  2. Step 2: Convert to fraction form
    85,181.18/117,550.80 = 46,942.10/x
  3. Step 3: Cross multiply
    85,181.18x = 117,550.80 × 46,942.10
  4. Step 4: Simplify right side
    85,181.18x = 5,518,081,261.74
  5. Step 5: Solve for x
    x = 5,518,081,261.74/85,181.18
  6. Step 6: Final answer
    x = 64,780.53

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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.