Home / 55,619.11-76,753.74-30,124.99

Finding the Fourth Proportional to 55,619.11, 76,753.74 and 30,124.99

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Solution

The fourth proportional to 55,619.11, 76,753.74 and 30,124.99 is: 41,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.11 : 76,753.74 = 30,124.99 : x
  2. Step 2: Convert to fraction form
    55,619.11/76,753.74 = 30,124.99/x
  3. Step 3: Cross multiply
    55,619.11x = 76,753.74 × 30,124.99
  4. Step 4: Simplify right side
    55,619.11x = 2,312,205,649.96
  5. Step 5: Solve for x
    x = 2,312,205,649.96/55,619.11
  6. Step 6: Final answer
    x = 41,572.14

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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.