Home / 63,780.36-95,675.40-19,410.90

Finding the Fourth Proportional to 63,780.36, 95,675.40 and 19,410.90

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Solution

The fourth proportional to 63,780.36, 95,675.40 and 19,410.90 is: 29,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,780.36 : 95,675.40 = 19,410.90 : x
  2. Step 2: Convert to fraction form
    63,780.36/95,675.40 = 19,410.90/x
  3. Step 3: Cross multiply
    63,780.36x = 95,675.40 × 19,410.90
  4. Step 4: Simplify right side
    63,780.36x = 1,857,145,621.86
  5. Step 5: Solve for x
    x = 1,857,145,621.86/63,780.36
  6. Step 6: Final answer
    x = 29,117.83

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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.