Home / 67,264.50-100,647.64-42,104.10

Finding the Fourth Proportional to 67,264.50, 100,647.64 and 42,104.10

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Solution

The fourth proportional to 67,264.50, 100,647.64 and 42,104.10 is: 63,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,264.50 : 100,647.64 = 42,104.10 : x
  2. Step 2: Convert to fraction form
    67,264.50/100,647.64 = 42,104.10/x
  3. Step 3: Cross multiply
    67,264.50x = 100,647.64 × 42,104.10
  4. Step 4: Simplify right side
    67,264.50x = 4,237,678,299.32
  5. Step 5: Solve for x
    x = 4,237,678,299.32/67,264.50
  6. Step 6: Final answer
    x = 63,000.22

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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.