Home / 82,431.93-123,645.58-26,275.40

Finding the Fourth Proportional to 82,431.93, 123,645.58 and 26,275.40

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Solution

The fourth proportional to 82,431.93, 123,645.58 and 26,275.40 is: 39,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,431.93 : 123,645.58 = 26,275.40 : x
  2. Step 2: Convert to fraction form
    82,431.93/123,645.58 = 26,275.40/x
  3. Step 3: Cross multiply
    82,431.93x = 123,645.58 × 26,275.40
  4. Step 4: Simplify right side
    82,431.93x = 3,248,837,072.73
  5. Step 5: Solve for x
    x = 3,248,837,072.73/82,431.93
  6. Step 6: Final answer
    x = 39,412.36

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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.