Home / 71,448.16-107,086.28-26,433.63

Finding the Fourth Proportional to 71,448.16, 107,086.28 and 26,433.63

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Solution

The fourth proportional to 71,448.16, 107,086.28 and 26,433.63 is: 39,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.16 : 107,086.28 = 26,433.63 : x
  2. Step 2: Convert to fraction form
    71,448.16/107,086.28 = 26,433.63/x
  3. Step 3: Cross multiply
    71,448.16x = 107,086.28 × 26,433.63
  4. Step 4: Simplify right side
    71,448.16x = 2,830,679,103.60
  5. Step 5: Solve for x
    x = 2,830,679,103.60/71,448.16
  6. Step 6: Final answer
    x = 39,618.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.