Home / 84,601.25-116,706.05-57,368.12

Finding the Fourth Proportional to 84,601.25, 116,706.05 and 57,368.12

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Solution

The fourth proportional to 84,601.25, 116,706.05 and 57,368.12 is: 79,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,601.25 : 116,706.05 = 57,368.12 : x
  2. Step 2: Convert to fraction form
    84,601.25/116,706.05 = 57,368.12/x
  3. Step 3: Cross multiply
    84,601.25x = 116,706.05 × 57,368.12
  4. Step 4: Simplify right side
    84,601.25x = 6,695,206,467.23
  5. Step 5: Solve for x
    x = 6,695,206,467.23/84,601.25
  6. Step 6: Final answer
    x = 79,138.39

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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.