Home / 77,630.24-116,362.29-40,152.57

Finding the Fourth Proportional to 77,630.24, 116,362.29 and 40,152.57

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Solution

The fourth proportional to 77,630.24, 116,362.29 and 40,152.57 is: 60,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,630.24 : 116,362.29 = 40,152.57 : x
  2. Step 2: Convert to fraction form
    77,630.24/116,362.29 = 40,152.57/x
  3. Step 3: Cross multiply
    77,630.24x = 116,362.29 × 40,152.57
  4. Step 4: Simplify right side
    77,630.24x = 4,672,244,994.59
  5. Step 5: Solve for x
    x = 4,672,244,994.59/77,630.24
  6. Step 6: Final answer
    x = 60,185.89

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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.