Home / 77,087.31-115,641.90-23,783.73

Finding the Fourth Proportional to 77,087.31, 115,641.90 and 23,783.73

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Solution

The fourth proportional to 77,087.31, 115,641.90 and 23,783.73 is: 35,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.31 : 115,641.90 = 23,783.73 : x
  2. Step 2: Convert to fraction form
    77,087.31/115,641.90 = 23,783.73/x
  3. Step 3: Cross multiply
    77,087.31x = 115,641.90 × 23,783.73
  4. Step 4: Simplify right side
    77,087.31x = 2,750,395,726.29
  5. Step 5: Solve for x
    x = 2,750,395,726.29/77,087.31
  6. Step 6: Final answer
    x = 35,678.97

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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.