Home / 45,083.79-67,641.48-26,380.08

Finding the Fourth Proportional to 45,083.79, 67,641.48 and 26,380.08

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Solution

The fourth proportional to 45,083.79, 67,641.48 and 26,380.08 is: 39,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,083.79 : 67,641.48 = 26,380.08 : x
  2. Step 2: Convert to fraction form
    45,083.79/67,641.48 = 26,380.08/x
  3. Step 3: Cross multiply
    45,083.79x = 67,641.48 × 26,380.08
  4. Step 4: Simplify right side
    45,083.79x = 1,784,387,653.72
  5. Step 5: Solve for x
    x = 1,784,387,653.72/45,083.79
  6. Step 6: Final answer
    x = 39,579.36

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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.