Home / 107,256.42-148,015.60-61,938.37

Finding the Fourth Proportional to 107,256.42, 148,015.60 and 61,938.37

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Solution

The fourth proportional to 107,256.42, 148,015.60 and 61,938.37 is: 85,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,256.42 : 148,015.60 = 61,938.37 : x
  2. Step 2: Convert to fraction form
    107,256.42/148,015.60 = 61,938.37/x
  3. Step 3: Cross multiply
    107,256.42x = 148,015.60 × 61,938.37
  4. Step 4: Simplify right side
    107,256.42x = 9,167,845,377.15
  5. Step 5: Solve for x
    x = 9,167,845,377.15/107,256.42
  6. Step 6: Final answer
    x = 85,475.96

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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.