Home / 75,336.40-113,134.20-53,304.40

Finding the Fourth Proportional to 75,336.40, 113,134.20 and 53,304.40

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Solution

The fourth proportional to 75,336.40, 113,134.20 and 53,304.40 is: 80,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,336.40 : 113,134.20 = 53,304.40 : x
  2. Step 2: Convert to fraction form
    75,336.40/113,134.20 = 53,304.40/x
  3. Step 3: Cross multiply
    75,336.40x = 113,134.20 × 53,304.40
  4. Step 4: Simplify right side
    75,336.40x = 6,030,550,650.48
  5. Step 5: Solve for x
    x = 6,030,550,650.48/75,336.40
  6. Step 6: Final answer
    x = 80,048.30

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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.