Home / 76,090.18-114,112.98-28,671.06

Finding the Fourth Proportional to 76,090.18, 114,112.98 and 28,671.06

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Solution

The fourth proportional to 76,090.18, 114,112.98 and 28,671.06 is: 42,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,090.18 : 114,112.98 = 28,671.06 : x
  2. Step 2: Convert to fraction form
    76,090.18/114,112.98 = 28,671.06/x
  3. Step 3: Cross multiply
    76,090.18x = 114,112.98 × 28,671.06
  4. Step 4: Simplify right side
    76,090.18x = 3,271,740,096.36
  5. Step 5: Solve for x
    x = 3,271,740,096.36/76,090.18
  6. Step 6: Final answer
    x = 42,998.19

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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.