Home / 64,430.08-88,916.51-40,245.37

Finding the Fourth Proportional to 64,430.08, 88,916.51 and 40,245.37

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Solution

The fourth proportional to 64,430.08, 88,916.51 and 40,245.37 is: 55,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.08 : 88,916.51 = 40,245.37 : x
  2. Step 2: Convert to fraction form
    64,430.08/88,916.51 = 40,245.37/x
  3. Step 3: Cross multiply
    64,430.08x = 88,916.51 × 40,245.37
  4. Step 4: Simplify right side
    64,430.08x = 3,578,477,198.25
  5. Step 5: Solve for x
    x = 3,578,477,198.25/64,430.08
  6. Step 6: Final answer
    x = 55,540.47

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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.