Home / 66,136.94-91,270.59-37,851.74

Finding the Fourth Proportional to 66,136.94, 91,270.59 and 37,851.74

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Solution

The fourth proportional to 66,136.94, 91,270.59 and 37,851.74 is: 52,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136.94 : 91,270.59 = 37,851.74 : x
  2. Step 2: Convert to fraction form
    66,136.94/91,270.59 = 37,851.74/x
  3. Step 3: Cross multiply
    66,136.94x = 91,270.59 × 37,851.74
  4. Step 4: Simplify right side
    66,136.94x = 3,454,750,642.33
  5. Step 5: Solve for x
    x = 3,454,750,642.33/66,136.94
  6. Step 6: Final answer
    x = 52,236.32

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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.