Home / 84,465.37-126,522.55-40,127.05

Finding the Fourth Proportional to 84,465.37, 126,522.55 and 40,127.05

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Solution

The fourth proportional to 84,465.37, 126,522.55 and 40,127.05 is: 60,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,465.37 : 126,522.55 = 40,127.05 : x
  2. Step 2: Convert to fraction form
    84,465.37/126,522.55 = 40,127.05/x
  3. Step 3: Cross multiply
    84,465.37x = 126,522.55 × 40,127.05
  4. Step 4: Simplify right side
    84,465.37x = 5,076,976,689.98
  5. Step 5: Solve for x
    x = 5,076,976,689.98/84,465.37
  6. Step 6: Final answer
    x = 60,107.20

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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.