Home / 118,566.03-163,622.40-64,849.90

Finding the Fourth Proportional to 118,566.03, 163,622.40 and 64,849.90

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Solution

The fourth proportional to 118,566.03, 163,622.40 and 64,849.90 is: 89,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,566.03 : 163,622.40 = 64,849.90 : x
  2. Step 2: Convert to fraction form
    118,566.03/163,622.40 = 64,849.90/x
  3. Step 3: Cross multiply
    118,566.03x = 163,622.40 × 64,849.90
  4. Step 4: Simplify right side
    118,566.03x = 10,610,895,932.31
  5. Step 5: Solve for x
    x = 10,610,895,932.31/118,566.03
  6. Step 6: Final answer
    x = 89,493.56

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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.