Home / 70,946.64-106,445.40-30,403.14

Finding the Fourth Proportional to 70,946.64, 106,445.40 and 30,403.14

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Solution

The fourth proportional to 70,946.64, 106,445.40 and 30,403.14 is: 45,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.64 : 106,445.40 = 30,403.14 : x
  2. Step 2: Convert to fraction form
    70,946.64/106,445.40 = 30,403.14/x
  3. Step 3: Cross multiply
    70,946.64x = 106,445.40 × 30,403.14
  4. Step 4: Simplify right side
    70,946.64x = 3,236,274,398.56
  5. Step 5: Solve for x
    x = 3,236,274,398.56/70,946.64
  6. Step 6: Final answer
    x = 45,615.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.