Home / 90,663.48-125,111.52-50,377.05

Finding the Fourth Proportional to 90,663.48, 125,111.52 and 50,377.05

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Solution

The fourth proportional to 90,663.48, 125,111.52 and 50,377.05 is: 69,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,663.48 : 125,111.52 = 50,377.05 : x
  2. Step 2: Convert to fraction form
    90,663.48/125,111.52 = 50,377.05/x
  3. Step 3: Cross multiply
    90,663.48x = 125,111.52 × 50,377.05
  4. Step 4: Simplify right side
    90,663.48x = 6,302,749,298.62
  5. Step 5: Solve for x
    x = 6,302,749,298.62/90,663.48
  6. Step 6: Final answer
    x = 69,518.06

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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.