Home / 52,142.99-71,930.81-32,990.46

Finding the Fourth Proportional to 52,142.99, 71,930.81 and 32,990.46

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Solution

The fourth proportional to 52,142.99, 71,930.81 and 32,990.46 is: 45,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142.99 : 71,930.81 = 32,990.46 : x
  2. Step 2: Convert to fraction form
    52,142.99/71,930.81 = 32,990.46/x
  3. Step 3: Cross multiply
    52,142.99x = 71,930.81 × 32,990.46
  4. Step 4: Simplify right side
    52,142.99x = 2,373,030,345.12
  5. Step 5: Solve for x
    x = 2,373,030,345.12/52,142.99
  6. Step 6: Final answer
    x = 45,510.06

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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.