Home / 45,721-63,103.07-26,858.12

Finding the Fourth Proportional to 45,721, 63,103.07 and 26,858.12

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Solution

The fourth proportional to 45,721, 63,103.07 and 26,858.12 is: 37,068.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,721 : 63,103.07 = 26,858.12 : x
  2. Step 2: Convert to fraction form
    45,721/63,103.07 = 26,858.12/x
  3. Step 3: Cross multiply
    45,721x = 63,103.07 × 26,858.12
  4. Step 4: Simplify right side
    45,721x = 1,694,829,826.43
  5. Step 5: Solve for x
    x = 1,694,829,826.43/45,721
  6. Step 6: Final answer
    x = 37,068.96

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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.