Home / 113,724.80-170,587.04-30,618.88

Finding the Fourth Proportional to 113,724.80, 170,587.04 and 30,618.88

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Solution

The fourth proportional to 113,724.80, 170,587.04 and 30,618.88 is: 45,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,724.80 : 170,587.04 = 30,618.88 : x
  2. Step 2: Convert to fraction form
    113,724.80/170,587.04 = 30,618.88/x
  3. Step 3: Cross multiply
    113,724.80x = 170,587.04 × 30,618.88
  4. Step 4: Simplify right side
    113,724.80x = 5,223,184,107.32
  5. Step 5: Solve for x
    x = 5,223,184,107.32/113,724.80
  6. Step 6: Final answer
    x = 45,928.28

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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.