Home / 75,784.32-113,689.44-23,188.32

Finding the Fourth Proportional to 75,784.32, 113,689.44 and 23,188.32

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Solution

The fourth proportional to 75,784.32, 113,689.44 and 23,188.32 is: 34,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,784.32 : 113,689.44 = 23,188.32 : x
  2. Step 2: Convert to fraction form
    75,784.32/113,689.44 = 23,188.32/x
  3. Step 3: Cross multiply
    75,784.32x = 113,689.44 × 23,188.32
  4. Step 4: Simplify right side
    75,784.32x = 2,636,267,115.34
  5. Step 5: Solve for x
    x = 2,636,267,115.34/75,784.32
  6. Step 6: Final answer
    x = 34,786.45

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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.