Home / 108,809.24-163,115.37-38,672.15

Finding the Fourth Proportional to 108,809.24, 163,115.37 and 38,672.15

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Solution

The fourth proportional to 108,809.24, 163,115.37 and 38,672.15 is: 57,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,809.24 : 163,115.37 = 38,672.15 : x
  2. Step 2: Convert to fraction form
    108,809.24/163,115.37 = 38,672.15/x
  3. Step 3: Cross multiply
    108,809.24x = 163,115.37 × 38,672.15
  4. Step 4: Simplify right side
    108,809.24x = 6,308,021,240.37
  5. Step 5: Solve for x
    x = 6,308,021,240.37/108,809.24
  6. Step 6: Final answer
    x = 57,973.22

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1.5x scale

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.