Home / 76,513.58-114,774.22-54,263.42

Finding the Fourth Proportional to 76,513.58, 114,774.22 and 54,263.42

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Solution

The fourth proportional to 76,513.58, 114,774.22 and 54,263.42 is: 81,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,513.58 : 114,774.22 = 54,263.42 : x
  2. Step 2: Convert to fraction form
    76,513.58/114,774.22 = 54,263.42/x
  3. Step 3: Cross multiply
    76,513.58x = 114,774.22 × 54,263.42
  4. Step 4: Simplify right side
    76,513.58x = 6,228,041,705.03
  5. Step 5: Solve for x
    x = 6,228,041,705.03/76,513.58
  6. Step 6: Final answer
    x = 81,397.86

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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.