Home / 55,115.37-76,060.08-31,241.52

Finding the Fourth Proportional to 55,115.37, 76,060.08 and 31,241.52

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Solution

The fourth proportional to 55,115.37, 76,060.08 and 31,241.52 is: 43,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,115.37 : 76,060.08 = 31,241.52 : x
  2. Step 2: Convert to fraction form
    55,115.37/76,060.08 = 31,241.52/x
  3. Step 3: Cross multiply
    55,115.37x = 76,060.08 × 31,241.52
  4. Step 4: Simplify right side
    55,115.37x = 2,376,232,510.52
  5. Step 5: Solve for x
    x = 2,376,232,510.52/55,115.37
  6. Step 6: Final answer
    x = 43,113.79

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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.