Home / 76,119.16-114,052.92-26,172.40

Finding the Fourth Proportional to 76,119.16, 114,052.92 and 26,172.40

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Solution

The fourth proportional to 76,119.16, 114,052.92 and 26,172.40 is: 39,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,119.16 : 114,052.92 = 26,172.40 : x
  2. Step 2: Convert to fraction form
    76,119.16/114,052.92 = 26,172.40/x
  3. Step 3: Cross multiply
    76,119.16x = 114,052.92 × 26,172.40
  4. Step 4: Simplify right side
    76,119.16x = 2,985,038,643.41
  5. Step 5: Solve for x
    x = 2,985,038,643.41/76,119.16
  6. Step 6: Final answer
    x = 39,215.34

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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.