Home / 76,923.36-115,081.58-58,257.32

Finding the Fourth Proportional to 76,923.36, 115,081.58 and 58,257.32

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Solution

The fourth proportional to 76,923.36, 115,081.58 and 58,257.32 is: 87,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,923.36 : 115,081.58 = 58,257.32 : x
  2. Step 2: Convert to fraction form
    76,923.36/115,081.58 = 58,257.32/x
  3. Step 3: Cross multiply
    76,923.36x = 115,081.58 × 58,257.32
  4. Step 4: Simplify right side
    76,923.36x = 6,704,343,565.47
  5. Step 5: Solve for x
    x = 6,704,343,565.47/76,923.36
  6. Step 6: Final answer
    x = 87,156.15

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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.