Home / 90,604.14-125,013.54-54,793.36

Finding the Fourth Proportional to 90,604.14, 125,013.54 and 54,793.36

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Solution

The fourth proportional to 90,604.14, 125,013.54 and 54,793.36 is: 75,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,604.14 : 125,013.54 = 54,793.36 : x
  2. Step 2: Convert to fraction form
    90,604.14/125,013.54 = 54,793.36/x
  3. Step 3: Cross multiply
    90,604.14x = 125,013.54 × 54,793.36
  4. Step 4: Simplify right side
    90,604.14x = 6,849,911,902.09
  5. Step 5: Solve for x
    x = 6,849,911,902.09/90,604.14
  6. Step 6: Final answer
    x = 75,602.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.