Home / 84,072.04-126,137.82-37,320.68

Finding the Fourth Proportional to 84,072.04, 126,137.82 and 37,320.68

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Solution

The fourth proportional to 84,072.04, 126,137.82 and 37,320.68 is: 55,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,072.04 : 126,137.82 = 37,320.68 : x
  2. Step 2: Convert to fraction form
    84,072.04/126,137.82 = 37,320.68/x
  3. Step 3: Cross multiply
    84,072.04x = 126,137.82 × 37,320.68
  4. Step 4: Simplify right side
    84,072.04x = 4,707,549,216.12
  5. Step 5: Solve for x
    x = 4,707,549,216.12/84,072.04
  6. Step 6: Final answer
    x = 55,994.23

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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.