Home / 118,769.47-163,901.93-65,055.38

Finding the Fourth Proportional to 118,769.47, 163,901.93 and 65,055.38

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Solution

The fourth proportional to 118,769.47, 163,901.93 and 65,055.38 is: 89,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,769.47 : 163,901.93 = 65,055.38 : x
  2. Step 2: Convert to fraction form
    118,769.47/163,901.93 = 65,055.38/x
  3. Step 3: Cross multiply
    118,769.47x = 163,901.93 × 65,055.38
  4. Step 4: Simplify right side
    118,769.47x = 10,662,702,338.88
  5. Step 5: Solve for x
    x = 10,662,702,338.88/118,769.47
  6. Step 6: Final answer
    x = 89,776.46

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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.