Home / 76,688.87-115,050.58-23,385.56

Finding the Fourth Proportional to 76,688.87, 115,050.58 and 23,385.56

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Solution

The fourth proportional to 76,688.87, 115,050.58 and 23,385.56 is: 35,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688.87 : 115,050.58 = 23,385.56 : x
  2. Step 2: Convert to fraction form
    76,688.87/115,050.58 = 23,385.56/x
  3. Step 3: Cross multiply
    76,688.87x = 115,050.58 × 23,385.56
  4. Step 4: Simplify right side
    76,688.87x = 2,690,521,607.91
  5. Step 5: Solve for x
    x = 2,690,521,607.91/76,688.87
  6. Step 6: Final answer
    x = 35,083.60

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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.