Home / 53,538.11-80,253.69-35,783.72

Finding the Fourth Proportional to 53,538.11, 80,253.69 and 35,783.72

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Solution

The fourth proportional to 53,538.11, 80,253.69 and 35,783.72 is: 53,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,538.11 : 80,253.69 = 35,783.72 : x
  2. Step 2: Convert to fraction form
    53,538.11/80,253.69 = 35,783.72/x
  3. Step 3: Cross multiply
    53,538.11x = 80,253.69 × 35,783.72
  4. Step 4: Simplify right side
    53,538.11x = 2,871,775,571.93
  5. Step 5: Solve for x
    x = 2,871,775,571.93/53,538.11
  6. Step 6: Final answer
    x = 53,639.84

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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.