Home / 112,201.08-168,252.36-42,031.20

Finding the Fourth Proportional to 112,201.08, 168,252.36 and 42,031.20

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Solution

The fourth proportional to 112,201.08, 168,252.36 and 42,031.20 is: 63,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,201.08 : 168,252.36 = 42,031.20 : x
  2. Step 2: Convert to fraction form
    112,201.08/168,252.36 = 42,031.20/x
  3. Step 3: Cross multiply
    112,201.08x = 168,252.36 × 42,031.20
  4. Step 4: Simplify right side
    112,201.08x = 7,071,848,593.63
  5. Step 5: Solve for x
    x = 7,071,848,593.63/112,201.08
  6. Step 6: Final answer
    x = 63,028.35

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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.