Home / 108,707.40-163,077.30-38,580.84

Finding the Fourth Proportional to 108,707.40, 163,077.30 and 38,580.84

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Solution

The fourth proportional to 108,707.40, 163,077.30 and 38,580.84 is: 57,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,707.40 : 163,077.30 = 38,580.84 : x
  2. Step 2: Convert to fraction form
    108,707.40/163,077.30 = 38,580.84/x
  3. Step 3: Cross multiply
    108,707.40x = 163,077.30 × 38,580.84
  4. Step 4: Simplify right side
    108,707.40x = 6,291,659,218.93
  5. Step 5: Solve for x
    x = 6,291,659,218.93/108,707.40
  6. Step 6: Final answer
    x = 57,877.01

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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.