Home / 77,429.49-116,065.82-52,472.08

Finding the Fourth Proportional to 77,429.49, 116,065.82 and 52,472.08

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Solution

The fourth proportional to 77,429.49, 116,065.82 and 52,472.08 is: 78,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,429.49 : 116,065.82 = 52,472.08 : x
  2. Step 2: Convert to fraction form
    77,429.49/116,065.82 = 52,472.08/x
  3. Step 3: Cross multiply
    77,429.49x = 116,065.82 × 52,472.08
  4. Step 4: Simplify right side
    77,429.49x = 6,090,214,729.95
  5. Step 5: Solve for x
    x = 6,090,214,729.95/77,429.49
  6. Step 6: Final answer
    x = 78,654.98

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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.