Home / 76,005.08-114,040.40-40,937.72

Finding the Fourth Proportional to 76,005.08, 114,040.40 and 40,937.72

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Solution

The fourth proportional to 76,005.08, 114,040.40 and 40,937.72 is: 61,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,005.08 : 114,040.40 = 40,937.72 : x
  2. Step 2: Convert to fraction form
    76,005.08/114,040.40 = 40,937.72/x
  3. Step 3: Cross multiply
    76,005.08x = 114,040.40 × 40,937.72
  4. Step 4: Simplify right side
    76,005.08x = 4,668,553,963.89
  5. Step 5: Solve for x
    x = 4,668,553,963.89/76,005.08
  6. Step 6: Final answer
    x = 61,424.24

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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.