Home / 66,896.09-92,315.54-36,681.68

Finding the Fourth Proportional to 66,896.09, 92,315.54 and 36,681.68

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Solution

The fourth proportional to 66,896.09, 92,315.54 and 36,681.68 is: 50,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,896.09 : 92,315.54 = 36,681.68 : x
  2. Step 2: Convert to fraction form
    66,896.09/92,315.54 = 36,681.68/x
  3. Step 3: Cross multiply
    66,896.09x = 92,315.54 × 36,681.68
  4. Step 4: Simplify right side
    66,896.09x = 3,386,288,452.32
  5. Step 5: Solve for x
    x = 3,386,288,452.32/66,896.09
  6. Step 6: Final answer
    x = 50,620.13

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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.