Home / 45,028.20-67,590.90-25,345.20

Finding the Fourth Proportional to 45,028.20, 67,590.90 and 25,345.20

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Solution

The fourth proportional to 45,028.20, 67,590.90 and 25,345.20 is: 38,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,028.20 : 67,590.90 = 25,345.20 : x
  2. Step 2: Convert to fraction form
    45,028.20/67,590.90 = 25,345.20/x
  3. Step 3: Cross multiply
    45,028.20x = 67,590.90 × 25,345.20
  4. Step 4: Simplify right side
    45,028.20x = 1,713,104,878.68
  5. Step 5: Solve for x
    x = 1,713,104,878.68/45,028.20
  6. Step 6: Final answer
    x = 38,045.16

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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.