Home / 76,825.08-115,083.90-61,056.72

Finding the Fourth Proportional to 76,825.08, 115,083.90 and 61,056.72

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Solution

The fourth proportional to 76,825.08, 115,083.90 and 61,056.72 is: 91,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,825.08 : 115,083.90 = 61,056.72 : x
  2. Step 2: Convert to fraction form
    76,825.08/115,083.90 = 61,056.72/x
  3. Step 3: Cross multiply
    76,825.08x = 115,083.90 × 61,056.72
  4. Step 4: Simplify right side
    76,825.08x = 7,026,645,458.81
  5. Step 5: Solve for x
    x = 7,026,645,458.81/76,825.08
  6. Step 6: Final answer
    x = 91,462.91

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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.