Home / 117,969.28-162,798.66-64,254.54

Finding the Fourth Proportional to 117,969.28, 162,798.66 and 64,254.54

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Solution

The fourth proportional to 117,969.28, 162,798.66 and 64,254.54 is: 88,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,969.28 : 162,798.66 = 64,254.54 : x
  2. Step 2: Convert to fraction form
    117,969.28/162,798.66 = 64,254.54/x
  3. Step 3: Cross multiply
    117,969.28x = 162,798.66 × 64,254.54
  4. Step 4: Simplify right side
    117,969.28x = 10,460,553,010.92
  5. Step 5: Solve for x
    x = 10,460,553,010.92/117,969.28
  6. Step 6: Final answer
    x = 88,671.84

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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.