Home / 107,788.22-148,749.29-61,855.35

Finding the Fourth Proportional to 107,788.22, 148,749.29 and 61,855.35

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Solution

The fourth proportional to 107,788.22, 148,749.29 and 61,855.35 is: 85,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.22 : 148,749.29 = 61,855.35 : x
  2. Step 2: Convert to fraction form
    107,788.22/148,749.29 = 61,855.35/x
  3. Step 3: Cross multiply
    107,788.22x = 148,749.29 × 61,855.35
  4. Step 4: Simplify right side
    107,788.22x = 9,200,938,528.11
  5. Step 5: Solve for x
    x = 9,200,938,528.11/107,788.22
  6. Step 6: Final answer
    x = 85,361.26

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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.