Home / 112,964.56-169,346.16-42,893.08

Finding the Fourth Proportional to 112,964.56, 169,346.16 and 42,893.08

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Solution

The fourth proportional to 112,964.56, 169,346.16 and 42,893.08 is: 64,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,964.56 : 169,346.16 = 42,893.08 : x
  2. Step 2: Convert to fraction form
    112,964.56/169,346.16 = 42,893.08/x
  3. Step 3: Cross multiply
    112,964.56x = 169,346.16 × 42,893.08
  4. Step 4: Simplify right side
    112,964.56x = 7,263,777,965.21
  5. Step 5: Solve for x
    x = 7,263,777,965.21/112,964.56
  6. Step 6: Final answer
    x = 64,301.39

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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.