Home / 55,712.84-83,582.24-30,746.88

Finding the Fourth Proportional to 55,712.84, 83,582.24 and 30,746.88

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Solution

The fourth proportional to 55,712.84, 83,582.24 and 30,746.88 is: 46,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712.84 : 83,582.24 = 30,746.88 : x
  2. Step 2: Convert to fraction form
    55,712.84/83,582.24 = 30,746.88/x
  3. Step 3: Cross multiply
    55,712.84x = 83,582.24 × 30,746.88
  4. Step 4: Simplify right side
    55,712.84x = 2,569,892,949.68
  5. Step 5: Solve for x
    x = 2,569,892,949.68/55,712.84
  6. Step 6: Final answer
    x = 46,127.48

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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.