Home / 70,699.24-106,044.54-29,145.16

Finding the Fourth Proportional to 70,699.24, 106,044.54 and 29,145.16

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Solution

The fourth proportional to 70,699.24, 106,044.54 and 29,145.16 is: 43,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,699.24 : 106,044.54 = 29,145.16 : x
  2. Step 2: Convert to fraction form
    70,699.24/106,044.54 = 29,145.16/x
  3. Step 3: Cross multiply
    70,699.24x = 106,044.54 × 29,145.16
  4. Step 4: Simplify right side
    70,699.24x = 3,090,685,085.43
  5. Step 5: Solve for x
    x = 3,090,685,085.43/70,699.24
  6. Step 6: Final answer
    x = 43,715.96

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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.