Home / 60,749.48-91,124.84-21,307.56

Finding the Fourth Proportional to 60,749.48, 91,124.84 and 21,307.56

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Solution

The fourth proportional to 60,749.48, 91,124.84 and 21,307.56 is: 31,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,749.48 : 91,124.84 = 21,307.56 : x
  2. Step 2: Convert to fraction form
    60,749.48/91,124.84 = 21,307.56/x
  3. Step 3: Cross multiply
    60,749.48x = 91,124.84 × 21,307.56
  4. Step 4: Simplify right side
    60,749.48x = 1,941,647,995.79
  5. Step 5: Solve for x
    x = 1,941,647,995.79/60,749.48
  6. Step 6: Final answer
    x = 31,961.56

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Similar ratio
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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.