Home / 53,933.36-80,478.10-48,329.64

Finding the Fourth Proportional to 53,933.36, 80,478.10 and 48,329.64

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Solution

The fourth proportional to 53,933.36, 80,478.10 and 48,329.64 is: 72,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.36 : 80,478.10 = 48,329.64 : x
  2. Step 2: Convert to fraction form
    53,933.36/80,478.10 = 48,329.64/x
  3. Step 3: Cross multiply
    53,933.36x = 80,478.10 × 48,329.64
  4. Step 4: Simplify right side
    53,933.36x = 3,889,477,600.88
  5. Step 5: Solve for x
    x = 3,889,477,600.88/53,933.36
  6. Step 6: Final answer
    x = 72,116.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.