Home / 109,308.26-163,985.44-35,430.50

Finding the Fourth Proportional to 109,308.26, 163,985.44 and 35,430.50

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Solution

The fourth proportional to 109,308.26, 163,985.44 and 35,430.50 is: 53,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,308.26 : 163,985.44 = 35,430.50 : x
  2. Step 2: Convert to fraction form
    109,308.26/163,985.44 = 35,430.50/x
  3. Step 3: Cross multiply
    109,308.26x = 163,985.44 × 35,430.50
  4. Step 4: Simplify right side
    109,308.26x = 5,810,086,131.92
  5. Step 5: Solve for x
    x = 5,810,086,131.92/109,308.26
  6. Step 6: Final answer
    x = 53,153.22

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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.