Home / 68,048.18-93,784.51-55,343.51

Finding the Fourth Proportional to 68,048.18, 93,784.51 and 55,343.51

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Solution

The fourth proportional to 68,048.18, 93,784.51 and 55,343.51 is: 76,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,048.18 : 93,784.51 = 55,343.51 : x
  2. Step 2: Convert to fraction form
    68,048.18/93,784.51 = 55,343.51/x
  3. Step 3: Cross multiply
    68,048.18x = 93,784.51 × 55,343.51
  4. Step 4: Simplify right side
    68,048.18x = 5,190,363,967.03
  5. Step 5: Solve for x
    x = 5,190,363,967.03/68,048.18
  6. Step 6: Final answer
    x = 76,274.84

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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.