Home / 52,089.85-71,879.73-29,430.81

Finding the Fourth Proportional to 52,089.85, 71,879.73 and 29,430.81

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Solution

The fourth proportional to 52,089.85, 71,879.73 and 29,430.81 is: 40,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.85 : 71,879.73 = 29,430.81 : x
  2. Step 2: Convert to fraction form
    52,089.85/71,879.73 = 29,430.81/x
  3. Step 3: Cross multiply
    52,089.85x = 71,879.73 × 29,430.81
  4. Step 4: Simplify right side
    52,089.85x = 2,115,478,676.48
  5. Step 5: Solve for x
    x = 2,115,478,676.48/52,089.85
  6. Step 6: Final answer
    x = 40,612.11

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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.