Home / 53,293.20-73,544.40-29,419.80

Finding the Fourth Proportional to 53,293.20, 73,544.40 and 29,419.80

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Solution

The fourth proportional to 53,293.20, 73,544.40 and 29,419.80 is: 40,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.20 : 73,544.40 = 29,419.80 : x
  2. Step 2: Convert to fraction form
    53,293.20/73,544.40 = 29,419.80/x
  3. Step 3: Cross multiply
    53,293.20x = 73,544.40 × 29,419.80
  4. Step 4: Simplify right side
    53,293.20x = 2,163,661,539.12
  5. Step 5: Solve for x
    x = 2,163,661,539.12/53,293.20
  6. Step 6: Final answer
    x = 40,599.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.