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Finding the Fourth Proportional to 62,078.66, 93,085.86 and 30,474.62

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Solution

The fourth proportional to 62,078.66, 93,085.86 and 30,474.62 is: 45,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,078.66 : 93,085.86 = 30,474.62 : x
  2. Step 2: Convert to fraction form
    62,078.66/93,085.86 = 30,474.62/x
  3. Step 3: Cross multiply
    62,078.66x = 93,085.86 × 30,474.62
  4. Step 4: Simplify right side
    62,078.66x = 2,836,756,210.87
  5. Step 5: Solve for x
    x = 2,836,756,210.87/62,078.66
  6. Step 6: Final answer
    x = 45,696.16

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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.