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Finding the Fourth Proportional to 95,489.99, 143,094.78 and 48,039.86

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Solution

The fourth proportional to 95,489.99, 143,094.78 and 48,039.86 is: 71,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,489.99 : 143,094.78 = 48,039.86 : x
  2. Step 2: Convert to fraction form
    95,489.99/143,094.78 = 48,039.86/x
  3. Step 3: Cross multiply
    95,489.99x = 143,094.78 × 48,039.86
  4. Step 4: Simplify right side
    95,489.99x = 6,874,252,482.46
  5. Step 5: Solve for x
    x = 6,874,252,482.46/95,489.99
  6. Step 6: Final answer
    x = 71,989.25

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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.