Home / 68,087.48-102,108.54-28,637.24

Finding the Fourth Proportional to 68,087.48, 102,108.54 and 28,637.24

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Solution

The fourth proportional to 68,087.48, 102,108.54 and 28,637.24 is: 42,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.48 : 102,108.54 = 28,637.24 : x
  2. Step 2: Convert to fraction form
    68,087.48/102,108.54 = 28,637.24/x
  3. Step 3: Cross multiply
    68,087.48x = 102,108.54 × 28,637.24
  4. Step 4: Simplify right side
    68,087.48x = 2,924,106,766.03
  5. Step 5: Solve for x
    x = 2,924,106,766.03/68,087.48
  6. Step 6: Final answer
    x = 42,946.32

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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.