Home / 55,753.37-76,938.99-30,259.77

Finding the Fourth Proportional to 55,753.37, 76,938.99 and 30,259.77

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Solution

The fourth proportional to 55,753.37, 76,938.99 and 30,259.77 is: 41,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,753.37 : 76,938.99 = 30,259.77 : x
  2. Step 2: Convert to fraction form
    55,753.37/76,938.99 = 30,259.77/x
  3. Step 3: Cross multiply
    55,753.37x = 76,938.99 × 30,259.77
  4. Step 4: Simplify right side
    55,753.37x = 2,328,156,141.43
  5. Step 5: Solve for x
    x = 2,328,156,141.43/55,753.37
  6. Step 6: Final answer
    x = 41,758.13

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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.