Home / 63,761.40-95,645.70-19,389.60

Finding the Fourth Proportional to 63,761.40, 95,645.70 and 19,389.60

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Solution

The fourth proportional to 63,761.40, 95,645.70 and 19,389.60 is: 29,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,761.40 : 95,645.70 = 19,389.60 : x
  2. Step 2: Convert to fraction form
    63,761.40/95,645.70 = 19,389.60/x
  3. Step 3: Cross multiply
    63,761.40x = 95,645.70 × 19,389.60
  4. Step 4: Simplify right side
    63,761.40x = 1,854,531,864.72
  5. Step 5: Solve for x
    x = 1,854,531,864.72/63,761.40
  6. Step 6: Final answer
    x = 29,085.49

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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.