Home / 90,946.94-125,508.11-52,709.31

Finding the Fourth Proportional to 90,946.94, 125,508.11 and 52,709.31

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Solution

The fourth proportional to 90,946.94, 125,508.11 and 52,709.31 is: 72,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,946.94 : 125,508.11 = 52,709.31 : x
  2. Step 2: Convert to fraction form
    90,946.94/125,508.11 = 52,709.31/x
  3. Step 3: Cross multiply
    90,946.94x = 125,508.11 × 52,709.31
  4. Step 4: Simplify right side
    90,946.94x = 6,615,445,613.96
  5. Step 5: Solve for x
    x = 6,615,445,613.96/90,946.94
  6. Step 6: Final answer
    x = 72,739.62

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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.