Home / 49,532.64-68,355.04-28,312.36

Finding the Fourth Proportional to 49,532.64, 68,355.04 and 28,312.36

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Solution

The fourth proportional to 49,532.64, 68,355.04 and 28,312.36 is: 39,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,532.64 : 68,355.04 = 28,312.36 : x
  2. Step 2: Convert to fraction form
    49,532.64/68,355.04 = 28,312.36/x
  3. Step 3: Cross multiply
    49,532.64x = 68,355.04 × 28,312.36
  4. Step 4: Simplify right side
    49,532.64x = 1,935,292,016.96
  5. Step 5: Solve for x
    x = 1,935,292,016.96/49,532.64
  6. Step 6: Final answer
    x = 39,071.05

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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.