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Finding the Fourth Proportional to 68,384.30, 102,587.25 and 28,941.62

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Solution

The fourth proportional to 68,384.30, 102,587.25 and 28,941.62 is: 43,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,384.30 : 102,587.25 = 28,941.62 : x
  2. Step 2: Convert to fraction form
    68,384.30/102,587.25 = 28,941.62/x
  3. Step 3: Cross multiply
    68,384.30x = 102,587.25 × 28,941.62
  4. Step 4: Simplify right side
    68,384.30x = 2,969,041,206.35
  5. Step 5: Solve for x
    x = 2,969,041,206.35/68,384.30
  6. Step 6: Final answer
    x = 43,417.00

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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.