Home / 118,637.05-163,723.23-67,657.45

Finding the Fourth Proportional to 118,637.05, 163,723.23 and 67,657.45

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Solution

The fourth proportional to 118,637.05, 163,723.23 and 67,657.45 is: 93,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,637.05 : 163,723.23 = 67,657.45 : x
  2. Step 2: Convert to fraction form
    118,637.05/163,723.23 = 67,657.45/x
  3. Step 3: Cross multiply
    118,637.05x = 163,723.23 × 67,657.45
  4. Step 4: Simplify right side
    118,637.05x = 11,077,096,247.56
  5. Step 5: Solve for x
    x = 11,077,096,247.56/118,637.05
  6. Step 6: Final answer
    x = 93,369.62

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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.