Home / 108,688.52-163,057.32-38,567.84

Finding the Fourth Proportional to 108,688.52, 163,057.32 and 38,567.84

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Solution

The fourth proportional to 108,688.52, 163,057.32 and 38,567.84 is: 57,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,688.52 : 163,057.32 = 38,567.84 : x
  2. Step 2: Convert to fraction form
    108,688.52/163,057.32 = 38,567.84/x
  3. Step 3: Cross multiply
    108,688.52x = 163,057.32 × 38,567.84
  4. Step 4: Simplify right side
    108,688.52x = 6,288,768,628.59
  5. Step 5: Solve for x
    x = 6,288,768,628.59/108,688.52
  6. Step 6: Final answer
    x = 57,860.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.