Home / 77,411.10-116,007.30-54,010.20

Finding the Fourth Proportional to 77,411.10, 116,007.30 and 54,010.20

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Solution

The fourth proportional to 77,411.10, 116,007.30 and 54,010.20 is: 80,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,411.10 : 116,007.30 = 54,010.20 : x
  2. Step 2: Convert to fraction form
    77,411.10/116,007.30 = 54,010.20/x
  3. Step 3: Cross multiply
    77,411.10x = 116,007.30 × 54,010.20
  4. Step 4: Simplify right side
    77,411.10x = 6,265,577,474.46
  5. Step 5: Solve for x
    x = 6,265,577,474.46/77,411.10
  6. Step 6: Final answer
    x = 80,939.01

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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.