Home / 112,031.05-168,096-59,427.64

Finding the Fourth Proportional to 112,031.05, 168,096 and 59,427.64

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Solution

The fourth proportional to 112,031.05, 168,096 and 59,427.64 is: 89,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.05 : 168,096 = 59,427.64 : x
  2. Step 2: Convert to fraction form
    112,031.05/168,096 = 59,427.64/x
  3. Step 3: Cross multiply
    112,031.05x = 168,096 × 59,427.64
  4. Step 4: Simplify right side
    112,031.05x = 9,989,548,573.44
  5. Step 5: Solve for x
    x = 9,989,548,573.44/112,031.05
  6. Step 6: Final answer
    x = 89,167.68

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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.