Home / 76,279.59-114,420.47-23,685.75

Finding the Fourth Proportional to 76,279.59, 114,420.47 and 23,685.75

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Solution

The fourth proportional to 76,279.59, 114,420.47 and 23,685.75 is: 35,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,279.59 : 114,420.47 = 23,685.75 : x
  2. Step 2: Convert to fraction form
    76,279.59/114,420.47 = 23,685.75/x
  3. Step 3: Cross multiply
    76,279.59x = 114,420.47 × 23,685.75
  4. Step 4: Simplify right side
    76,279.59x = 2,710,134,528.87
  5. Step 5: Solve for x
    x = 2,710,134,528.87/76,279.59
  6. Step 6: Final answer
    x = 35,528.96

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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.