Home / 85,877.04-118,450.44-82,986.96

Finding the Fourth Proportional to 85,877.04, 118,450.44 and 82,986.96

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Solution

The fourth proportional to 85,877.04, 118,450.44 and 82,986.96 is: 114,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,877.04 : 118,450.44 = 82,986.96 : x
  2. Step 2: Convert to fraction form
    85,877.04/118,450.44 = 82,986.96/x
  3. Step 3: Cross multiply
    85,877.04x = 118,450.44 × 82,986.96
  4. Step 4: Simplify right side
    85,877.04x = 9,829,841,926.26
  5. Step 5: Solve for x
    x = 9,829,841,926.26/85,877.04
  6. Step 6: Final answer
    x = 114,464.14

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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.