Home / 65,199.28-89,968.44-36,900.04

Finding the Fourth Proportional to 65,199.28, 89,968.44 and 36,900.04

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Solution

The fourth proportional to 65,199.28, 89,968.44 and 36,900.04 is: 50,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199.28 : 89,968.44 = 36,900.04 : x
  2. Step 2: Convert to fraction form
    65,199.28/89,968.44 = 36,900.04/x
  3. Step 3: Cross multiply
    65,199.28x = 89,968.44 × 36,900.04
  4. Step 4: Simplify right side
    65,199.28x = 3,319,839,034.74
  5. Step 5: Solve for x
    x = 3,319,839,034.74/65,199.28
  6. Step 6: Final answer
    x = 50,918.34

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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.