Home / 118,617.45-163,675.92-70,860.66

Finding the Fourth Proportional to 118,617.45, 163,675.92 and 70,860.66

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Solution

The fourth proportional to 118,617.45, 163,675.92 and 70,860.66 is: 97,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,617.45 : 163,675.92 = 70,860.66 : x
  2. Step 2: Convert to fraction form
    118,617.45/163,675.92 = 70,860.66/x
  3. Step 3: Cross multiply
    118,617.45x = 163,675.92 × 70,860.66
  4. Step 4: Simplify right side
    118,617.45x = 11,598,183,369.25
  5. Step 5: Solve for x
    x = 11,598,183,369.25/118,617.45
  6. Step 6: Final answer
    x = 97,778.06

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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.