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Finding the Fourth Proportional to 68,500.13, 102,750.39 and 26,947.13

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Solution

The fourth proportional to 68,500.13, 102,750.39 and 26,947.13 is: 40,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,500.13 : 102,750.39 = 26,947.13 : x
  2. Step 2: Convert to fraction form
    68,500.13/102,750.39 = 26,947.13/x
  3. Step 3: Cross multiply
    68,500.13x = 102,750.39 × 26,947.13
  4. Step 4: Simplify right side
    68,500.13x = 2,768,827,603.13
  5. Step 5: Solve for x
    x = 2,768,827,603.13/68,500.13
  6. Step 6: Final answer
    x = 40,420.77

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1.5x scale

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.