Home / 77,612.34-116,440-30,898.02

Finding the Fourth Proportional to 77,612.34, 116,440 and 30,898.02

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Solution

The fourth proportional to 77,612.34, 116,440 and 30,898.02 is: 46,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,612.34 : 116,440 = 30,898.02 : x
  2. Step 2: Convert to fraction form
    77,612.34/116,440 = 30,898.02/x
  3. Step 3: Cross multiply
    77,612.34x = 116,440 × 30,898.02
  4. Step 4: Simplify right side
    77,612.34x = 3,597,765,448.80
  5. Step 5: Solve for x
    x = 3,597,765,448.80/77,612.34
  6. Step 6: Final answer
    x = 46,355.59

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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.