Home / 74,277.36-102,502.44-40,742.64

Finding the Fourth Proportional to 74,277.36, 102,502.44 and 40,742.64

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Solution

The fourth proportional to 74,277.36, 102,502.44 and 40,742.64 is: 56,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,277.36 : 102,502.44 = 40,742.64 : x
  2. Step 2: Convert to fraction form
    74,277.36/102,502.44 = 40,742.64/x
  3. Step 3: Cross multiply
    74,277.36x = 102,502.44 × 40,742.64
  4. Step 4: Simplify right side
    74,277.36x = 4,176,220,012.04
  5. Step 5: Solve for x
    x = 4,176,220,012.04/74,277.36
  6. Step 6: Final answer
    x = 56,224.67

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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.