Home / 95,038.45-131,140.09-56,789.91

Finding the Fourth Proportional to 95,038.45, 131,140.09 and 56,789.91

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Solution

The fourth proportional to 95,038.45, 131,140.09 and 56,789.91 is: 78,362.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,038.45 : 131,140.09 = 56,789.91 : x
  2. Step 2: Convert to fraction form
    95,038.45/131,140.09 = 56,789.91/x
  3. Step 3: Cross multiply
    95,038.45x = 131,140.09 × 56,789.91
  4. Step 4: Simplify right side
    95,038.45x = 7,447,433,908.49
  5. Step 5: Solve for x
    x = 7,447,433,908.49/95,038.45
  6. Step 6: Final answer
    x = 78,362.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.