Home / 112,389.05-168,666.53-53,224.62

Finding the Fourth Proportional to 112,389.05, 168,666.53 and 53,224.62

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Solution

The fourth proportional to 112,389.05, 168,666.53 and 53,224.62 is: 79,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389.05 : 168,666.53 = 53,224.62 : x
  2. Step 2: Convert to fraction form
    112,389.05/168,666.53 = 53,224.62/x
  3. Step 3: Cross multiply
    112,389.05x = 168,666.53 × 53,224.62
  4. Step 4: Simplify right side
    112,389.05x = 8,977,211,699.85
  5. Step 5: Solve for x
    x = 8,977,211,699.85/112,389.05
  6. Step 6: Final answer
    x = 79,876.22

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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.