Home / 56,838.36-85,264.13-18,891.03

Finding the Fourth Proportional to 56,838.36, 85,264.13 and 18,891.03

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Solution

The fourth proportional to 56,838.36, 85,264.13 and 18,891.03 is: 28,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,838.36 : 85,264.13 = 18,891.03 : x
  2. Step 2: Convert to fraction form
    56,838.36/85,264.13 = 18,891.03/x
  3. Step 3: Cross multiply
    56,838.36x = 85,264.13 × 18,891.03
  4. Step 4: Simplify right side
    56,838.36x = 1,610,727,284.98
  5. Step 5: Solve for x
    x = 1,610,727,284.98/56,838.36
  6. Step 6: Final answer
    x = 28,338.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.