Home / 85,683.04-118,226.10-55,464.16

Finding the Fourth Proportional to 85,683.04, 118,226.10 and 55,464.16

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Solution

The fourth proportional to 85,683.04, 118,226.10 and 55,464.16 is: 76,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,683.04 : 118,226.10 = 55,464.16 : x
  2. Step 2: Convert to fraction form
    85,683.04/118,226.10 = 55,464.16/x
  3. Step 3: Cross multiply
    85,683.04x = 118,226.10 × 55,464.16
  4. Step 4: Simplify right side
    85,683.04x = 6,557,311,326.58
  5. Step 5: Solve for x
    x = 6,557,311,326.58/85,683.04
  6. Step 6: Final answer
    x = 76,529.86

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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.