Home / 76,666.55-114,963.44-26,740.58

Finding the Fourth Proportional to 76,666.55, 114,963.44 and 26,740.58

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Solution

The fourth proportional to 76,666.55, 114,963.44 and 26,740.58 is: 40,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,666.55 : 114,963.44 = 26,740.58 : x
  2. Step 2: Convert to fraction form
    76,666.55/114,963.44 = 26,740.58/x
  3. Step 3: Cross multiply
    76,666.55x = 114,963.44 × 26,740.58
  4. Step 4: Simplify right side
    76,666.55x = 3,074,188,355.88
  5. Step 5: Solve for x
    x = 3,074,188,355.88/76,666.55
  6. Step 6: Final answer
    x = 40,098.17

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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.