Home / 98,755.23-148,171.86-39,582.57

Finding the Fourth Proportional to 98,755.23, 148,171.86 and 39,582.57

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Solution

The fourth proportional to 98,755.23, 148,171.86 and 39,582.57 is: 59,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,755.23 : 148,171.86 = 39,582.57 : x
  2. Step 2: Convert to fraction form
    98,755.23/148,171.86 = 39,582.57/x
  3. Step 3: Cross multiply
    98,755.23x = 148,171.86 × 39,582.57
  4. Step 4: Simplify right side
    98,755.23x = 5,865,023,020.48
  5. Step 5: Solve for x
    x = 5,865,023,020.48/98,755.23
  6. Step 6: Final answer
    x = 59,389.49

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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.