Home / 53,861.62-74,330.34-29,989.91

Finding the Fourth Proportional to 53,861.62, 74,330.34 and 29,989.91

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Solution

The fourth proportional to 53,861.62, 74,330.34 and 29,989.91 is: 41,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.62 : 74,330.34 = 29,989.91 : x
  2. Step 2: Convert to fraction form
    53,861.62/74,330.34 = 29,989.91/x
  3. Step 3: Cross multiply
    53,861.62x = 74,330.34 × 29,989.91
  4. Step 4: Simplify right side
    53,861.62x = 2,229,159,722.76
  5. Step 5: Solve for x
    x = 2,229,159,722.76/53,861.62
  6. Step 6: Final answer
    x = 41,386.80

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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.