Home / 112,493.81-168,740.72-29,387.81

Finding the Fourth Proportional to 112,493.81, 168,740.72 and 29,387.81

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Solution

The fourth proportional to 112,493.81, 168,740.72 and 29,387.81 is: 44,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,493.81 : 168,740.72 = 29,387.81 : x
  2. Step 2: Convert to fraction form
    112,493.81/168,740.72 = 29,387.81/x
  3. Step 3: Cross multiply
    112,493.81x = 168,740.72 × 29,387.81
  4. Step 4: Simplify right side
    112,493.81x = 4,958,920,603.74
  5. Step 5: Solve for x
    x = 4,958,920,603.74/112,493.81
  6. Step 6: Final answer
    x = 44,081.72

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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.