Home / 73,237.20-101,067.30-39,703.20

Finding the Fourth Proportional to 73,237.20, 101,067.30 and 39,703.20

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Solution

The fourth proportional to 73,237.20, 101,067.30 and 39,703.20 is: 54,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,237.20 : 101,067.30 = 39,703.20 : x
  2. Step 2: Convert to fraction form
    73,237.20/101,067.30 = 39,703.20/x
  3. Step 3: Cross multiply
    73,237.20x = 101,067.30 × 39,703.20
  4. Step 4: Simplify right side
    73,237.20x = 4,012,695,225.36
  5. Step 5: Solve for x
    x = 4,012,695,225.36/73,237.20
  6. Step 6: Final answer
    x = 54,790.40

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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.