Home / 68,503.10-102,756.76-18,583

Finding the Fourth Proportional to 68,503.10, 102,756.76 and 18,583

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Solution

The fourth proportional to 68,503.10, 102,756.76 and 18,583 is: 27,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,503.10 : 102,756.76 = 18,583 : x
  2. Step 2: Convert to fraction form
    68,503.10/102,756.76 = 18,583/x
  3. Step 3: Cross multiply
    68,503.10x = 102,756.76 × 18,583
  4. Step 4: Simplify right side
    68,503.10x = 1,909,528,871.08
  5. Step 5: Solve for x
    x = 1,909,528,871.08/68,503.10
  6. Step 6: Final answer
    x = 27,875.07

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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.