Home / 118,451.14-163,462.21-64,736.16

Finding the Fourth Proportional to 118,451.14, 163,462.21 and 64,736.16

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Solution

The fourth proportional to 118,451.14, 163,462.21 and 64,736.16 is: 89,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,451.14 : 163,462.21 = 64,736.16 : x
  2. Step 2: Convert to fraction form
    118,451.14/163,462.21 = 64,736.16/x
  3. Step 3: Cross multiply
    118,451.14x = 163,462.21 × 64,736.16
  4. Step 4: Simplify right side
    118,451.14x = 10,581,915,780.51
  5. Step 5: Solve for x
    x = 10,581,915,780.51/118,451.14
  6. Step 6: Final answer
    x = 89,335.70

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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.