Home / 83,949.28-125,309.72-73,985.07

Finding the Fourth Proportional to 83,949.28, 125,309.72 and 73,985.07

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Solution

The fourth proportional to 83,949.28, 125,309.72 and 73,985.07 is: 110,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,949.28 : 125,309.72 = 73,985.07 : x
  2. Step 2: Convert to fraction form
    83,949.28/125,309.72 = 73,985.07/x
  3. Step 3: Cross multiply
    83,949.28x = 125,309.72 × 73,985.07
  4. Step 4: Simplify right side
    83,949.28x = 9,271,048,405.88
  5. Step 5: Solve for x
    x = 9,271,048,405.88/83,949.28
  6. Step 6: Final answer
    x = 110,436.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.