Home / 75,465.90-113,215.14-22,879.32

Finding the Fourth Proportional to 75,465.90, 113,215.14 and 22,879.32

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Solution

The fourth proportional to 75,465.90, 113,215.14 and 22,879.32 is: 34,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,465.90 : 113,215.14 = 22,879.32 : x
  2. Step 2: Convert to fraction form
    75,465.90/113,215.14 = 22,879.32/x
  3. Step 3: Cross multiply
    75,465.90x = 113,215.14 × 22,879.32
  4. Step 4: Simplify right side
    75,465.90x = 2,590,285,416.90
  5. Step 5: Solve for x
    x = 2,590,285,416.90/75,465.90
  6. Step 6: Final answer
    x = 34,323.92

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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.