Home / 77,318.31-116,014.05-42,256.92

Finding the Fourth Proportional to 77,318.31, 116,014.05 and 42,256.92

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Solution

The fourth proportional to 77,318.31, 116,014.05 and 42,256.92 is: 63,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,318.31 : 116,014.05 = 42,256.92 : x
  2. Step 2: Convert to fraction form
    77,318.31/116,014.05 = 42,256.92/x
  3. Step 3: Cross multiply
    77,318.31x = 116,014.05 × 42,256.92
  4. Step 4: Simplify right side
    77,318.31x = 4,902,396,429.73
  5. Step 5: Solve for x
    x = 4,902,396,429.73/77,318.31
  6. Step 6: Final answer
    x = 63,405.37

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1.5x scale

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.