Home / 78,669.35-117,960.28-26,050.13

Finding the Fourth Proportional to 78,669.35, 117,960.28 and 26,050.13

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Solution

The fourth proportional to 78,669.35, 117,960.28 and 26,050.13 is: 39,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,669.35 : 117,960.28 = 26,050.13 : x
  2. Step 2: Convert to fraction form
    78,669.35/117,960.28 = 26,050.13/x
  3. Step 3: Cross multiply
    78,669.35x = 117,960.28 × 26,050.13
  4. Step 4: Simplify right side
    78,669.35x = 3,072,880,628.84
  5. Step 5: Solve for x
    x = 3,072,880,628.84/78,669.35
  6. Step 6: Final answer
    x = 39,060.71

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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.