Home / 66,823.74-92,216.75-39,966.25

Finding the Fourth Proportional to 66,823.74, 92,216.75 and 39,966.25

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Solution

The fourth proportional to 66,823.74, 92,216.75 and 39,966.25 is: 55,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,823.74 : 92,216.75 = 39,966.25 : x
  2. Step 2: Convert to fraction form
    66,823.74/92,216.75 = 39,966.25/x
  3. Step 3: Cross multiply
    66,823.74x = 92,216.75 × 39,966.25
  4. Step 4: Simplify right side
    66,823.74x = 3,685,557,684.69
  5. Step 5: Solve for x
    x = 3,685,557,684.69/66,823.74
  6. Step 6: Final answer
    x = 55,153.42

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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.