Home / 118,453.62-163,466.29-64,739.28

Finding the Fourth Proportional to 118,453.62, 163,466.29 and 64,739.28

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Solution

The fourth proportional to 118,453.62, 163,466.29 and 64,739.28 is: 89,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,453.62 : 163,466.29 = 64,739.28 : x
  2. Step 2: Convert to fraction form
    118,453.62/163,466.29 = 64,739.28/x
  3. Step 3: Cross multiply
    118,453.62x = 163,466.29 × 64,739.28
  4. Step 4: Simplify right side
    118,453.62x = 10,582,689,595.17
  5. Step 5: Solve for x
    x = 10,582,689,595.17/118,453.62
  6. Step 6: Final answer
    x = 89,340.36

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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.