Home / 90,110.06-124,341.03-49,818.38

Finding the Fourth Proportional to 90,110.06, 124,341.03 and 49,818.38

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Solution

The fourth proportional to 90,110.06, 124,341.03 and 49,818.38 is: 68,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,110.06 : 124,341.03 = 49,818.38 : x
  2. Step 2: Convert to fraction form
    90,110.06/124,341.03 = 49,818.38/x
  3. Step 3: Cross multiply
    90,110.06x = 124,341.03 × 49,818.38
  4. Step 4: Simplify right side
    90,110.06x = 6,194,468,682.13
  5. Step 5: Solve for x
    x = 6,194,468,682.13/90,110.06
  6. Step 6: Final answer
    x = 68,743.36

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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.