Home / 34,154.10-47,145.64-25,680.83

Finding the Fourth Proportional to 34,154.10, 47,145.64 and 25,680.83

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Solution

The fourth proportional to 34,154.10, 47,145.64 and 25,680.83 is: 35,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,154.10 : 47,145.64 = 25,680.83 : x
  2. Step 2: Convert to fraction form
    34,154.10/47,145.64 = 25,680.83/x
  3. Step 3: Cross multiply
    34,154.10x = 47,145.64 × 25,680.83
  4. Step 4: Simplify right side
    34,154.10x = 1,210,738,866.15
  5. Step 5: Solve for x
    x = 1,210,738,866.15/34,154.10
  6. Step 6: Final answer
    x = 35,449.30

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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.