Home / 76,438.08-114,627.96-23,830.20

Finding the Fourth Proportional to 76,438.08, 114,627.96 and 23,830.20

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Solution

The fourth proportional to 76,438.08, 114,627.96 and 23,830.20 is: 35,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,438.08 : 114,627.96 = 23,830.20 : x
  2. Step 2: Convert to fraction form
    76,438.08/114,627.96 = 23,830.20/x
  3. Step 3: Cross multiply
    76,438.08x = 114,627.96 × 23,830.20
  4. Step 4: Simplify right side
    76,438.08x = 2,731,607,212.39
  5. Step 5: Solve for x
    x = 2,731,607,212.39/76,438.08
  6. Step 6: Final answer
    x = 35,736.21

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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.