Home / 107,190.89-147,899.77-61,859.24

Finding the Fourth Proportional to 107,190.89, 147,899.77 and 61,859.24

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Solution

The fourth proportional to 107,190.89, 147,899.77 and 61,859.24 is: 85,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,190.89 : 147,899.77 = 61,859.24 : x
  2. Step 2: Convert to fraction form
    107,190.89/147,899.77 = 61,859.24/x
  3. Step 3: Cross multiply
    107,190.89x = 147,899.77 × 61,859.24
  4. Step 4: Simplify right side
    107,190.89x = 9,148,968,208.75
  5. Step 5: Solve for x
    x = 9,148,968,208.75/107,190.89
  6. Step 6: Final answer
    x = 85,352.10

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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.