Home / 55,425.55-83,138.33-48,208.45

Finding the Fourth Proportional to 55,425.55, 83,138.33 and 48,208.45

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Solution

The fourth proportional to 55,425.55, 83,138.33 and 48,208.45 is: 72,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.55 : 83,138.33 = 48,208.45 : x
  2. Step 2: Convert to fraction form
    55,425.55/83,138.33 = 48,208.45/x
  3. Step 3: Cross multiply
    55,425.55x = 83,138.33 × 48,208.45
  4. Step 4: Simplify right side
    55,425.55x = 4,007,969,783.85
  5. Step 5: Solve for x
    x = 4,007,969,783.85/55,425.55
  6. Step 6: Final answer
    x = 72,312.68

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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.