Home / 118,816.55-177,995.15-66,066.11

Finding the Fourth Proportional to 118,816.55, 177,995.15 and 66,066.11

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Solution

The fourth proportional to 118,816.55, 177,995.15 and 66,066.11 is: 98,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,816.55 : 177,995.15 = 66,066.11 : x
  2. Step 2: Convert to fraction form
    118,816.55/177,995.15 = 66,066.11/x
  3. Step 3: Cross multiply
    118,816.55x = 177,995.15 × 66,066.11
  4. Step 4: Simplify right side
    118,816.55x = 11,759,446,434.56
  5. Step 5: Solve for x
    x = 11,759,446,434.56/118,816.55
  6. Step 6: Final answer
    x = 98,971.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.