Home / 57,827.20-86,740.80-35,568.40

Finding the Fourth Proportional to 57,827.20, 86,740.80 and 35,568.40

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Solution

The fourth proportional to 57,827.20, 86,740.80 and 35,568.40 is: 53,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,827.20 : 86,740.80 = 35,568.40 : x
  2. Step 2: Convert to fraction form
    57,827.20/86,740.80 = 35,568.40/x
  3. Step 3: Cross multiply
    57,827.20x = 86,740.80 × 35,568.40
  4. Step 4: Simplify right side
    57,827.20x = 3,085,231,470.72
  5. Step 5: Solve for x
    x = 3,085,231,470.72/57,827.20
  6. Step 6: Final answer
    x = 53,352.60

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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.