Home / 90,004.91-124,204.37-49,717.81

Finding the Fourth Proportional to 90,004.91, 124,204.37 and 49,717.81

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Solution

The fourth proportional to 90,004.91, 124,204.37 and 49,717.81 is: 68,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,004.91 : 124,204.37 = 49,717.81 : x
  2. Step 2: Convert to fraction form
    90,004.91/124,204.37 = 49,717.81/x
  3. Step 3: Cross multiply
    90,004.91x = 124,204.37 × 49,717.81
  4. Step 4: Simplify right side
    90,004.91x = 6,175,168,399.22
  5. Step 5: Solve for x
    x = 6,175,168,399.22/90,004.91
  6. Step 6: Final answer
    x = 68,609.24

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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.