Home / 67,210.12-92,730.99-43,350.76

Finding the Fourth Proportional to 67,210.12, 92,730.99 and 43,350.76

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Solution

The fourth proportional to 67,210.12, 92,730.99 and 43,350.76 is: 59,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.12 : 92,730.99 = 43,350.76 : x
  2. Step 2: Convert to fraction form
    67,210.12/92,730.99 = 43,350.76/x
  3. Step 3: Cross multiply
    67,210.12x = 92,730.99 × 43,350.76
  4. Step 4: Simplify right side
    67,210.12x = 4,019,958,892.05
  5. Step 5: Solve for x
    x = 4,019,958,892.05/67,210.12
  6. Step 6: Final answer
    x = 59,811.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.