Home / 55,108.84-76,045.08-31,237.60

Finding the Fourth Proportional to 55,108.84, 76,045.08 and 31,237.60

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Solution

The fourth proportional to 55,108.84, 76,045.08 and 31,237.60 is: 43,104.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.84 : 76,045.08 = 31,237.60 : x
  2. Step 2: Convert to fraction form
    55,108.84/76,045.08 = 31,237.60/x
  3. Step 3: Cross multiply
    55,108.84x = 76,045.08 × 31,237.60
  4. Step 4: Simplify right side
    55,108.84x = 2,375,465,791.01
  5. Step 5: Solve for x
    x = 2,375,465,791.01/55,108.84
  6. Step 6: Final answer
    x = 43,104.99

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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.