Home / 76,018.60-114,040.14-23,428.06

Finding the Fourth Proportional to 76,018.60, 114,040.14 and 23,428.06

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Solution

The fourth proportional to 76,018.60, 114,040.14 and 23,428.06 is: 35,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,018.60 : 114,040.14 = 23,428.06 : x
  2. Step 2: Convert to fraction form
    76,018.60/114,040.14 = 23,428.06/x
  3. Step 3: Cross multiply
    76,018.60x = 114,040.14 × 23,428.06
  4. Step 4: Simplify right side
    76,018.60x = 2,671,739,242.33
  5. Step 5: Solve for x
    x = 2,671,739,242.33/76,018.60
  6. Step 6: Final answer
    x = 35,145.86

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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.