Home / 90,137.04-124,384.09-49,293.11

Finding the Fourth Proportional to 90,137.04, 124,384.09 and 49,293.11

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Solution

The fourth proportional to 90,137.04, 124,384.09 and 49,293.11 is: 68,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,137.04 : 124,384.09 = 49,293.11 : x
  2. Step 2: Convert to fraction form
    90,137.04/124,384.09 = 49,293.11/x
  3. Step 3: Cross multiply
    90,137.04x = 124,384.09 × 49,293.11
  4. Step 4: Simplify right side
    90,137.04x = 6,131,278,630.62
  5. Step 5: Solve for x
    x = 6,131,278,630.62/90,137.04
  6. Step 6: Final answer
    x = 68,021.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.