Home / 112,365.88-168,444.66-42,291.64

Finding the Fourth Proportional to 112,365.88, 168,444.66 and 42,291.64

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Solution

The fourth proportional to 112,365.88, 168,444.66 and 42,291.64 is: 63,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,365.88 : 168,444.66 = 42,291.64 : x
  2. Step 2: Convert to fraction form
    112,365.88/168,444.66 = 42,291.64/x
  3. Step 3: Cross multiply
    112,365.88x = 168,444.66 × 42,291.64
  4. Step 4: Simplify right side
    112,365.88x = 7,123,800,920.64
  5. Step 5: Solve for x
    x = 7,123,800,920.64/112,365.88
  6. Step 6: Final answer
    x = 63,398.26

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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.