Home / 118,171.76-163,077.54-64,457.93

Finding the Fourth Proportional to 118,171.76, 163,077.54 and 64,457.93

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Solution

The fourth proportional to 118,171.76, 163,077.54 and 64,457.93 is: 88,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,171.76 : 163,077.54 = 64,457.93 : x
  2. Step 2: Convert to fraction form
    118,171.76/163,077.54 = 64,457.93/x
  3. Step 3: Cross multiply
    118,171.76x = 163,077.54 × 64,457.93
  4. Step 4: Simplify right side
    118,171.76x = 10,511,639,842.50
  5. Step 5: Solve for x
    x = 10,511,639,842.50/118,171.76
  6. Step 6: Final answer
    x = 88,952.22

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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.