Home / 70,260.30-105,305.54-40,617.14

Finding the Fourth Proportional to 70,260.30, 105,305.54 and 40,617.14

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Solution

The fourth proportional to 70,260.30, 105,305.54 and 40,617.14 is: 60,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,260.30 : 105,305.54 = 40,617.14 : x
  2. Step 2: Convert to fraction form
    70,260.30/105,305.54 = 40,617.14/x
  3. Step 3: Cross multiply
    70,260.30x = 105,305.54 × 40,617.14
  4. Step 4: Simplify right side
    70,260.30x = 4,277,209,131.34
  5. Step 5: Solve for x
    x = 4,277,209,131.34/70,260.30
  6. Step 6: Final answer
    x = 60,876.61

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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.