Home / 81,303.32-121,954.97-53,594.84

Finding the Fourth Proportional to 81,303.32, 121,954.97 and 53,594.84

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Solution

The fourth proportional to 81,303.32, 121,954.97 and 53,594.84 is: 80,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,303.32 : 121,954.97 = 53,594.84 : x
  2. Step 2: Convert to fraction form
    81,303.32/121,954.97 = 53,594.84/x
  3. Step 3: Cross multiply
    81,303.32x = 121,954.97 × 53,594.84
  4. Step 4: Simplify right side
    81,303.32x = 6,536,156,628.57
  5. Step 5: Solve for x
    x = 6,536,156,628.57/81,303.32
  6. Step 6: Final answer
    x = 80,392.25

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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.