Home / 91,281.54-125,969.49-53,556.42

Finding the Fourth Proportional to 91,281.54, 125,969.49 and 53,556.42

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Solution

The fourth proportional to 91,281.54, 125,969.49 and 53,556.42 is: 73,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,281.54 : 125,969.49 = 53,556.42 : x
  2. Step 2: Convert to fraction form
    91,281.54/125,969.49 = 53,556.42/x
  3. Step 3: Cross multiply
    91,281.54x = 125,969.49 × 53,556.42
  4. Step 4: Simplify right side
    91,281.54x = 6,746,474,913.63
  5. Step 5: Solve for x
    x = 6,746,474,913.63/91,281.54
  6. Step 6: Final answer
    x = 73,908.43

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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.