Home / 66,257.02-91,437.09-37,968.18

Finding the Fourth Proportional to 66,257.02, 91,437.09 and 37,968.18

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Solution

The fourth proportional to 66,257.02, 91,437.09 and 37,968.18 is: 52,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.02 : 91,437.09 = 37,968.18 : x
  2. Step 2: Convert to fraction form
    66,257.02/91,437.09 = 37,968.18/x
  3. Step 3: Cross multiply
    66,257.02x = 91,437.09 × 37,968.18
  4. Step 4: Simplify right side
    66,257.02x = 3,471,699,891.80
  5. Step 5: Solve for x
    x = 3,471,699,891.80/66,257.02
  6. Step 6: Final answer
    x = 52,397.47

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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.