Home / 76,495.35-114,703.41-34,339.12

Finding the Fourth Proportional to 76,495.35, 114,703.41 and 34,339.12

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Solution

The fourth proportional to 76,495.35, 114,703.41 and 34,339.12 is: 51,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,495.35 : 114,703.41 = 34,339.12 : x
  2. Step 2: Convert to fraction form
    76,495.35/114,703.41 = 34,339.12/x
  3. Step 3: Cross multiply
    76,495.35x = 114,703.41 × 34,339.12
  4. Step 4: Simplify right side
    76,495.35x = 3,938,814,160.40
  5. Step 5: Solve for x
    x = 3,938,814,160.40/76,495.35
  6. Step 6: Final answer
    x = 51,490.90

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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.