Home / 85,844.21-118,464.63-48,118.46

Finding the Fourth Proportional to 85,844.21, 118,464.63 and 48,118.46

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Solution

The fourth proportional to 85,844.21, 118,464.63 and 48,118.46 is: 66,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,844.21 : 118,464.63 = 48,118.46 : x
  2. Step 2: Convert to fraction form
    85,844.21/118,464.63 = 48,118.46/x
  3. Step 3: Cross multiply
    85,844.21x = 118,464.63 × 48,118.46
  4. Step 4: Simplify right side
    85,844.21x = 5,700,334,787.30
  5. Step 5: Solve for x
    x = 5,700,334,787.30/85,844.21
  6. Step 6: Final answer
    x = 66,403.26

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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.