Home / 67,501.10-101,232.30-20,114.21

Finding the Fourth Proportional to 67,501.10, 101,232.30 and 20,114.21

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Solution

The fourth proportional to 67,501.10, 101,232.30 and 20,114.21 is: 30,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,501.10 : 101,232.30 = 20,114.21 : x
  2. Step 2: Convert to fraction form
    67,501.10/101,232.30 = 20,114.21/x
  3. Step 3: Cross multiply
    67,501.10x = 101,232.30 × 20,114.21
  4. Step 4: Simplify right side
    67,501.10x = 2,036,207,740.98
  5. Step 5: Solve for x
    x = 2,036,207,740.98/67,501.10
  6. Step 6: Final answer
    x = 30,165.55

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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.