Home / 109,783.32-164,660.40-30,904.32

Finding the Fourth Proportional to 109,783.32, 164,660.40 and 30,904.32

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Solution

The fourth proportional to 109,783.32, 164,660.40 and 30,904.32 is: 46,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,783.32 : 164,660.40 = 30,904.32 : x
  2. Step 2: Convert to fraction form
    109,783.32/164,660.40 = 30,904.32/x
  3. Step 3: Cross multiply
    109,783.32x = 164,660.40 × 30,904.32
  4. Step 4: Simplify right side
    109,783.32x = 5,088,717,692.93
  5. Step 5: Solve for x
    x = 5,088,717,692.93/109,783.32
  6. Step 6: Final answer
    x = 46,352.38

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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.