Home / 77,455.32-116,184.20-30,073.16

Finding the Fourth Proportional to 77,455.32, 116,184.20 and 30,073.16

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Solution

The fourth proportional to 77,455.32, 116,184.20 and 30,073.16 is: 45,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,455.32 : 116,184.20 = 30,073.16 : x
  2. Step 2: Convert to fraction form
    77,455.32/116,184.20 = 30,073.16/x
  3. Step 3: Cross multiply
    77,455.32x = 116,184.20 × 30,073.16
  4. Step 4: Simplify right side
    77,455.32x = 3,494,025,304.79
  5. Step 5: Solve for x
    x = 3,494,025,304.79/77,455.32
  6. Step 6: Final answer
    x = 45,110.20

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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.