Home / 55,330.83-76,334.00-38,573.55

Finding the Fourth Proportional to 55,330.83, 76,334.00 and 38,573.55

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Solution

The fourth proportional to 55,330.83, 76,334.00 and 38,573.55 is: 53,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.83 : 76,334.00 = 38,573.55 : x
  2. Step 2: Convert to fraction form
    55,330.83/76,334.00 = 38,573.55/x
  3. Step 3: Cross multiply
    55,330.83x = 76,334.00 × 38,573.55
  4. Step 4: Simplify right side
    55,330.83x = 2,944,473,172.83
  5. Step 5: Solve for x
    x = 2,944,473,172.83/55,330.83
  6. Step 6: Final answer
    x = 53,215.78

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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.