Home / 66,083.02-91,194.69-37,788.70

Finding the Fourth Proportional to 66,083.02, 91,194.69 and 37,788.70

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Solution

The fourth proportional to 66,083.02, 91,194.69 and 37,788.70 is: 52,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083.02 : 91,194.69 = 37,788.70 : x
  2. Step 2: Convert to fraction form
    66,083.02/91,194.69 = 37,788.70/x
  3. Step 3: Cross multiply
    66,083.02x = 91,194.69 × 37,788.70
  4. Step 4: Simplify right side
    66,083.02x = 3,446,128,782.00
  5. Step 5: Solve for x
    x = 3,446,128,782.00/66,083.02
  6. Step 6: Final answer
    x = 52,148.48

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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.