Home / 75,457.19-113,189.57-28,713.71

Finding the Fourth Proportional to 75,457.19, 113,189.57 and 28,713.71

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Solution

The fourth proportional to 75,457.19, 113,189.57 and 28,713.71 is: 43,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,457.19 : 113,189.57 = 28,713.71 : x
  2. Step 2: Convert to fraction form
    75,457.19/113,189.57 = 28,713.71/x
  3. Step 3: Cross multiply
    75,457.19x = 113,189.57 × 28,713.71
  4. Step 4: Simplify right side
    75,457.19x = 3,250,091,778.49
  5. Step 5: Solve for x
    x = 3,250,091,778.49/75,457.19
  6. Step 6: Final answer
    x = 43,072.00

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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.