Home / 56,080.32-84,146.40-54,576.96

Finding the Fourth Proportional to 56,080.32, 84,146.40 and 54,576.96

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Solution

The fourth proportional to 56,080.32, 84,146.40 and 54,576.96 is: 81,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,080.32 : 84,146.40 = 54,576.96 : x
  2. Step 2: Convert to fraction form
    56,080.32/84,146.40 = 54,576.96/x
  3. Step 3: Cross multiply
    56,080.32x = 84,146.40 × 54,576.96
  4. Step 4: Simplify right side
    56,080.32x = 4,592,454,706.94
  5. Step 5: Solve for x
    x = 4,592,454,706.94/56,080.32
  6. Step 6: Final answer
    x = 81,890.67

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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.