Home / 112,306.32-168,458.80-28,066.05

Finding the Fourth Proportional to 112,306.32, 168,458.80 and 28,066.05

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Solution

The fourth proportional to 112,306.32, 168,458.80 and 28,066.05 is: 42,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,306.32 : 168,458.80 = 28,066.05 : x
  2. Step 2: Convert to fraction form
    112,306.32/168,458.80 = 28,066.05/x
  3. Step 3: Cross multiply
    112,306.32x = 168,458.80 × 28,066.05
  4. Step 4: Simplify right side
    112,306.32x = 4,727,973,103.74
  5. Step 5: Solve for x
    x = 4,727,973,103.74/112,306.32
  6. Step 6: Final answer
    x = 42,098.91

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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.