Home / 86,300.75-119,033.68-57,605.94

Finding the Fourth Proportional to 86,300.75, 119,033.68 and 57,605.94

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Solution

The fourth proportional to 86,300.75, 119,033.68 and 57,605.94 is: 79,455.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,300.75 : 119,033.68 = 57,605.94 : x
  2. Step 2: Convert to fraction form
    86,300.75/119,033.68 = 57,605.94/x
  3. Step 3: Cross multiply
    86,300.75x = 119,033.68 × 57,605.94
  4. Step 4: Simplify right side
    86,300.75x = 6,857,047,028.06
  5. Step 5: Solve for x
    x = 6,857,047,028.06/86,300.75
  6. Step 6: Final answer
    x = 79,455.24

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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.