Home / 85,990.01-118,678.37-50,181.53

Finding the Fourth Proportional to 85,990.01, 118,678.37 and 50,181.53

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Solution

The fourth proportional to 85,990.01, 118,678.37 and 50,181.53 is: 69,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,990.01 : 118,678.37 = 50,181.53 : x
  2. Step 2: Convert to fraction form
    85,990.01/118,678.37 = 50,181.53/x
  3. Step 3: Cross multiply
    85,990.01x = 118,678.37 × 50,181.53
  4. Step 4: Simplify right side
    85,990.01x = 5,955,461,340.21
  5. Step 5: Solve for x
    x = 5,955,461,340.21/85,990.01
  6. Step 6: Final answer
    x = 69,257.60

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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.