Home / 112,049.40-168,103.80-48,842.40

Finding the Fourth Proportional to 112,049.40, 168,103.80 and 48,842.40

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Solution

The fourth proportional to 112,049.40, 168,103.80 and 48,842.40 is: 73,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,049.40 : 168,103.80 = 48,842.40 : x
  2. Step 2: Convert to fraction form
    112,049.40/168,103.80 = 48,842.40/x
  3. Step 3: Cross multiply
    112,049.40x = 168,103.80 × 48,842.40
  4. Step 4: Simplify right side
    112,049.40x = 8,210,593,041.12
  5. Step 5: Solve for x
    x = 8,210,593,041.12/112,049.40
  6. Step 6: Final answer
    x = 73,276.55

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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.