Home / 74,457.36-111,685.97-30,084.10

Finding the Fourth Proportional to 74,457.36, 111,685.97 and 30,084.10

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Solution

The fourth proportional to 74,457.36, 111,685.97 and 30,084.10 is: 45,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,457.36 : 111,685.97 = 30,084.10 : x
  2. Step 2: Convert to fraction form
    74,457.36/111,685.97 = 30,084.10/x
  3. Step 3: Cross multiply
    74,457.36x = 111,685.97 × 30,084.10
  4. Step 4: Simplify right side
    74,457.36x = 3,359,971,890.08
  5. Step 5: Solve for x
    x = 3,359,971,890.08/74,457.36
  6. Step 6: Final answer
    x = 45,126.12

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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.