Home / 56,868.06-85,315.21-16,886.15

Finding the Fourth Proportional to 56,868.06, 85,315.21 and 16,886.15

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Solution

The fourth proportional to 56,868.06, 85,315.21 and 16,886.15 is: 25,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,868.06 : 85,315.21 = 16,886.15 : x
  2. Step 2: Convert to fraction form
    56,868.06/85,315.21 = 16,886.15/x
  3. Step 3: Cross multiply
    56,868.06x = 85,315.21 × 16,886.15
  4. Step 4: Simplify right side
    56,868.06x = 1,440,645,859.36
  5. Step 5: Solve for x
    x = 1,440,645,859.36/56,868.06
  6. Step 6: Final answer
    x = 25,333.13

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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.