Home / 86,938.34-119,932.52-56,709.94

Finding the Fourth Proportional to 86,938.34, 119,932.52 and 56,709.94

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Solution

The fourth proportional to 86,938.34, 119,932.52 and 56,709.94 is: 78,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,938.34 : 119,932.52 = 56,709.94 : x
  2. Step 2: Convert to fraction form
    86,938.34/119,932.52 = 56,709.94/x
  3. Step 3: Cross multiply
    86,938.34x = 119,932.52 × 56,709.94
  4. Step 4: Simplify right side
    86,938.34x = 6,801,366,013.25
  5. Step 5: Solve for x
    x = 6,801,366,013.25/86,938.34
  6. Step 6: Final answer
    x = 78,232.07

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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.