Home / 96,381.18-133,066.41-61,939.86

Finding the Fourth Proportional to 96,381.18, 133,066.41 and 61,939.86

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Solution

The fourth proportional to 96,381.18, 133,066.41 and 61,939.86 is: 85,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,381.18 : 133,066.41 = 61,939.86 : x
  2. Step 2: Convert to fraction form
    96,381.18/133,066.41 = 61,939.86/x
  3. Step 3: Cross multiply
    96,381.18x = 133,066.41 × 61,939.86
  4. Step 4: Simplify right side
    96,381.18x = 8,242,114,806.10
  5. Step 5: Solve for x
    x = 8,242,114,806.10/96,381.18
  6. Step 6: Final answer
    x = 85,515.81

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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.