Home / 88,834.38-133,213.64-51,420.27

Finding the Fourth Proportional to 88,834.38, 133,213.64 and 51,420.27

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Solution

The fourth proportional to 88,834.38, 133,213.64 and 51,420.27 is: 77,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,834.38 : 133,213.64 = 51,420.27 : x
  2. Step 2: Convert to fraction form
    88,834.38/133,213.64 = 51,420.27/x
  3. Step 3: Cross multiply
    88,834.38x = 133,213.64 × 51,420.27
  4. Step 4: Simplify right side
    88,834.38x = 6,849,881,079.38
  5. Step 5: Solve for x
    x = 6,849,881,079.38/88,834.38
  6. Step 6: Final answer
    x = 77,108.45

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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.