Home / 49,303.04-68,045.84-31,405.92

Finding the Fourth Proportional to 49,303.04, 68,045.84 and 31,405.92

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Solution

The fourth proportional to 49,303.04, 68,045.84 and 31,405.92 is: 43,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,303.04 : 68,045.84 = 31,405.92 : x
  2. Step 2: Convert to fraction form
    49,303.04/68,045.84 = 31,405.92/x
  3. Step 3: Cross multiply
    49,303.04x = 68,045.84 × 31,405.92
  4. Step 4: Simplify right side
    49,303.04x = 2,137,042,207.37
  5. Step 5: Solve for x
    x = 2,137,042,207.37/49,303.04
  6. Step 6: Final answer
    x = 43,345.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.