Home / 70,276.43-96,980.61-40,060.76

Finding the Fourth Proportional to 70,276.43, 96,980.61 and 40,060.76

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Solution

The fourth proportional to 70,276.43, 96,980.61 and 40,060.76 is: 55,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,276.43 : 96,980.61 = 40,060.76 : x
  2. Step 2: Convert to fraction form
    70,276.43/96,980.61 = 40,060.76/x
  3. Step 3: Cross multiply
    70,276.43x = 96,980.61 × 40,060.76
  4. Step 4: Simplify right side
    70,276.43x = 3,885,116,456.96
  5. Step 5: Solve for x
    x = 3,885,116,456.96/70,276.43
  6. Step 6: Final answer
    x = 55,283.35

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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.