Home / 63,433.82-87,579-39,595.52

Finding the Fourth Proportional to 63,433.82, 87,579 and 39,595.52

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Solution

The fourth proportional to 63,433.82, 87,579 and 39,595.52 is: 54,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,433.82 : 87,579 = 39,595.52 : x
  2. Step 2: Convert to fraction form
    63,433.82/87,579 = 39,595.52/x
  3. Step 3: Cross multiply
    63,433.82x = 87,579 × 39,595.52
  4. Step 4: Simplify right side
    63,433.82x = 3,467,735,608.19
  5. Step 5: Solve for x
    x = 3,467,735,608.19/63,433.82
  6. Step 6: Final answer
    x = 54,666.99

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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.