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Finding the Fourth Proportional to 77,595.70, 116,611.54 and 46,010.30

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Solution

The fourth proportional to 77,595.70, 116,611.54 and 46,010.30 is: 69,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,595.70 : 116,611.54 = 46,010.30 : x
  2. Step 2: Convert to fraction form
    77,595.70/116,611.54 = 46,010.30/x
  3. Step 3: Cross multiply
    77,595.70x = 116,611.54 × 46,010.30
  4. Step 4: Simplify right side
    77,595.70x = 5,365,331,938.86
  5. Step 5: Solve for x
    x = 5,365,331,938.86/77,595.70
  6. Step 6: Final answer
    x = 69,144.71

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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.