Home / 53,133.05-73,325.87-30,478.43

Finding the Fourth Proportional to 53,133.05, 73,325.87 and 30,478.43

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Solution

The fourth proportional to 53,133.05, 73,325.87 and 30,478.43 is: 42,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,133.05 : 73,325.87 = 30,478.43 : x
  2. Step 2: Convert to fraction form
    53,133.05/73,325.87 = 30,478.43/x
  3. Step 3: Cross multiply
    53,133.05x = 73,325.87 × 30,478.43
  4. Step 4: Simplify right side
    53,133.05x = 2,234,856,876.96
  5. Step 5: Solve for x
    x = 2,234,856,876.96/53,133.05
  6. Step 6: Final answer
    x = 42,061.52

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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.