Home / 68,088.48-102,110.04-28,638.24

Finding the Fourth Proportional to 68,088.48, 102,110.04 and 28,638.24

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Solution

The fourth proportional to 68,088.48, 102,110.04 and 28,638.24 is: 42,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088.48 : 102,110.04 = 28,638.24 : x
  2. Step 2: Convert to fraction form
    68,088.48/102,110.04 = 28,638.24/x
  3. Step 3: Cross multiply
    68,088.48x = 102,110.04 × 28,638.24
  4. Step 4: Simplify right side
    68,088.48x = 2,924,251,831.93
  5. Step 5: Solve for x
    x = 2,924,251,831.93/68,088.48
  6. Step 6: Final answer
    x = 42,947.82

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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.