Home / 70,968.28-106,457.88-41,389.12

Finding the Fourth Proportional to 70,968.28, 106,457.88 and 41,389.12

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Solution

The fourth proportional to 70,968.28, 106,457.88 and 41,389.12 is: 62,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968.28 : 106,457.88 = 41,389.12 : x
  2. Step 2: Convert to fraction form
    70,968.28/106,457.88 = 41,389.12/x
  3. Step 3: Cross multiply
    70,968.28x = 106,457.88 × 41,389.12
  4. Step 4: Simplify right side
    70,968.28x = 4,406,197,970.27
  5. Step 5: Solve for x
    x = 4,406,197,970.27/70,968.28
  6. Step 6: Final answer
    x = 62,086.86

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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.