Home / 68,946.89-95,143.70-42,134.27

Finding the Fourth Proportional to 68,946.89, 95,143.70 and 42,134.27

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Solution

The fourth proportional to 68,946.89, 95,143.70 and 42,134.27 is: 58,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,946.89 : 95,143.70 = 42,134.27 : x
  2. Step 2: Convert to fraction form
    68,946.89/95,143.70 = 42,134.27/x
  3. Step 3: Cross multiply
    68,946.89x = 95,143.70 × 42,134.27
  4. Step 4: Simplify right side
    68,946.89x = 4,008,810,133.93
  5. Step 5: Solve for x
    x = 4,008,810,133.93/68,946.89
  6. Step 6: Final answer
    x = 58,143.45

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1.5x scale

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.