Home / 55,000.24-75,899.24-31,126.48

Finding the Fourth Proportional to 55,000.24, 75,899.24 and 31,126.48

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Solution

The fourth proportional to 55,000.24, 75,899.24 and 31,126.48 is: 42,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.24 : 75,899.24 = 31,126.48 : x
  2. Step 2: Convert to fraction form
    55,000.24/75,899.24 = 31,126.48/x
  3. Step 3: Cross multiply
    55,000.24x = 75,899.24 × 31,126.48
  4. Step 4: Simplify right side
    55,000.24x = 2,362,476,175.88
  5. Step 5: Solve for x
    x = 2,362,476,175.88/55,000.24
  6. Step 6: Final answer
    x = 42,953.92

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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.