Home / 64,430.22-88,913.42-36,135.90

Finding the Fourth Proportional to 64,430.22, 88,913.42 and 36,135.90

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Solution

The fourth proportional to 64,430.22, 88,913.42 and 36,135.90 is: 49,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.22 : 88,913.42 = 36,135.90 : x
  2. Step 2: Convert to fraction form
    64,430.22/88,913.42 = 36,135.90/x
  3. Step 3: Cross multiply
    64,430.22x = 88,913.42 × 36,135.90
  4. Step 4: Simplify right side
    64,430.22x = 3,212,966,453.78
  5. Step 5: Solve for x
    x = 3,212,966,453.78/64,430.22
  6. Step 6: Final answer
    x = 49,867.38

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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.