Home / 84,089.66-116,544.64-82,515.02

Finding the Fourth Proportional to 84,089.66, 116,544.64 and 82,515.02

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Solution

The fourth proportional to 84,089.66, 116,544.64 and 82,515.02 is: 114,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,089.66 : 116,544.64 = 82,515.02 : x
  2. Step 2: Convert to fraction form
    84,089.66/116,544.64 = 82,515.02/x
  3. Step 3: Cross multiply
    84,089.66x = 116,544.64 × 82,515.02
  4. Step 4: Simplify right side
    84,089.66x = 9,616,683,300.49
  5. Step 5: Solve for x
    x = 9,616,683,300.49/84,089.66
  6. Step 6: Final answer
    x = 114,362.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.