Home / 55,725.44-76,887.78-31,526.88

Finding the Fourth Proportional to 55,725.44, 76,887.78 and 31,526.88

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Solution

The fourth proportional to 55,725.44, 76,887.78 and 31,526.88 is: 43,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,725.44 : 76,887.78 = 31,526.88 : x
  2. Step 2: Convert to fraction form
    55,725.44/76,887.78 = 31,526.88/x
  3. Step 3: Cross multiply
    55,725.44x = 76,887.78 × 31,526.88
  4. Step 4: Simplify right side
    55,725.44x = 2,424,031,813.53
  5. Step 5: Solve for x
    x = 2,424,031,813.53/55,725.44
  6. Step 6: Final answer
    x = 43,499.55

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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.