Home / 75,643.20-113,450.40-23,054.40

Finding the Fourth Proportional to 75,643.20, 113,450.40 and 23,054.40

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Solution

The fourth proportional to 75,643.20, 113,450.40 and 23,054.40 is: 34,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,643.20 : 113,450.40 = 23,054.40 : x
  2. Step 2: Convert to fraction form
    75,643.20/113,450.40 = 23,054.40/x
  3. Step 3: Cross multiply
    75,643.20x = 113,450.40 × 23,054.40
  4. Step 4: Simplify right side
    75,643.20x = 2,615,530,901.76
  5. Step 5: Solve for x
    x = 2,615,530,901.76/75,643.20
  6. Step 6: Final answer
    x = 34,577.21

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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.