Home / 76,003.57-113,943.84-31,663.63

Finding the Fourth Proportional to 76,003.57, 113,943.84 and 31,663.63

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Solution

The fourth proportional to 76,003.57, 113,943.84 and 31,663.63 is: 47,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,003.57 : 113,943.84 = 31,663.63 : x
  2. Step 2: Convert to fraction form
    76,003.57/113,943.84 = 31,663.63/x
  3. Step 3: Cross multiply
    76,003.57x = 113,943.84 × 31,663.63
  4. Step 4: Simplify right side
    76,003.57x = 3,607,875,590.54
  5. Step 5: Solve for x
    x = 3,607,875,590.54/76,003.57
  6. Step 6: Final answer
    x = 47,469.82

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1.5x scale

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.