Home / 66,064.89-91,169.61-37,771.17

Finding the Fourth Proportional to 66,064.89, 91,169.61 and 37,771.17

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Solution

The fourth proportional to 66,064.89, 91,169.61 and 37,771.17 is: 52,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,064.89 : 91,169.61 = 37,771.17 : x
  2. Step 2: Convert to fraction form
    66,064.89/91,169.61 = 37,771.17/x
  3. Step 3: Cross multiply
    66,064.89x = 91,169.61 × 37,771.17
  4. Step 4: Simplify right side
    66,064.89x = 3,443,582,838.14
  5. Step 5: Solve for x
    x = 3,443,582,838.14/66,064.89
  6. Step 6: Final answer
    x = 52,124.25

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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.