Home / 66,148.04-91,286.36-37,862.84

Finding the Fourth Proportional to 66,148.04, 91,286.36 and 37,862.84

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Solution

The fourth proportional to 66,148.04, 91,286.36 and 37,862.84 is: 52,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,148.04 : 91,286.36 = 37,862.84 : x
  2. Step 2: Convert to fraction form
    66,148.04/91,286.36 = 37,862.84/x
  3. Step 3: Cross multiply
    66,148.04x = 91,286.36 × 37,862.84
  4. Step 4: Simplify right side
    66,148.04x = 3,456,360,842.86
  5. Step 5: Solve for x
    x = 3,456,360,842.86/66,148.04
  6. Step 6: Final answer
    x = 52,251.90

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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.