Home / 53,994.88-80,966.32-30,615.04

Finding the Fourth Proportional to 53,994.88, 80,966.32 and 30,615.04

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Solution

The fourth proportional to 53,994.88, 80,966.32 and 30,615.04 is: 45,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,994.88 : 80,966.32 = 30,615.04 : x
  2. Step 2: Convert to fraction form
    53,994.88/80,966.32 = 30,615.04/x
  3. Step 3: Cross multiply
    53,994.88x = 80,966.32 × 30,615.04
  4. Step 4: Simplify right side
    53,994.88x = 2,478,787,125.45
  5. Step 5: Solve for x
    x = 2,478,787,125.45/53,994.88
  6. Step 6: Final answer
    x = 45,907.82

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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.