Home / 76,836.06-115,068.33-63,590.94

Finding the Fourth Proportional to 76,836.06, 115,068.33 and 63,590.94

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Solution

The fourth proportional to 76,836.06, 115,068.33 and 63,590.94 is: 95,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,836.06 : 115,068.33 = 63,590.94 : x
  2. Step 2: Convert to fraction form
    76,836.06/115,068.33 = 63,590.94/x
  3. Step 3: Cross multiply
    76,836.06x = 115,068.33 × 63,590.94
  4. Step 4: Simplify right side
    76,836.06x = 7,317,303,268.93
  5. Step 5: Solve for x
    x = 7,317,303,268.93/76,836.06
  6. Step 6: Final answer
    x = 95,232.67

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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.