Home / 82,453.08-123,678.18-26,292.36

Finding the Fourth Proportional to 82,453.08, 123,678.18 and 26,292.36

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Solution

The fourth proportional to 82,453.08, 123,678.18 and 26,292.36 is: 39,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,453.08 : 123,678.18 = 26,292.36 : x
  2. Step 2: Convert to fraction form
    82,453.08/123,678.18 = 26,292.36/x
  3. Step 3: Cross multiply
    82,453.08x = 123,678.18 × 26,292.36
  4. Step 4: Simplify right side
    82,453.08x = 3,251,791,232.70
  5. Step 5: Solve for x
    x = 3,251,791,232.70/82,453.08
  6. Step 6: Final answer
    x = 39,438.08

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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.