Home / 78,936.95-118,406.46-26,346.41

Finding the Fourth Proportional to 78,936.95, 118,406.46 and 26,346.41

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Solution

The fourth proportional to 78,936.95, 118,406.46 and 26,346.41 is: 39,519.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,936.95 : 118,406.46 = 26,346.41 : x
  2. Step 2: Convert to fraction form
    78,936.95/118,406.46 = 26,346.41/x
  3. Step 3: Cross multiply
    78,936.95x = 118,406.46 × 26,346.41
  4. Step 4: Simplify right side
    78,936.95x = 3,119,585,141.81
  5. Step 5: Solve for x
    x = 3,119,585,141.81/78,936.95
  6. Step 6: Final answer
    x = 39,519.96

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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.