Home / 107,697.54-148,636.56-61,775.10

Finding the Fourth Proportional to 107,697.54, 148,636.56 and 61,775.10

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Solution

The fourth proportional to 107,697.54, 148,636.56 and 61,775.10 is: 85,257.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,697.54 : 148,636.56 = 61,775.10 : x
  2. Step 2: Convert to fraction form
    107,697.54/148,636.56 = 61,775.10/x
  3. Step 3: Cross multiply
    107,697.54x = 148,636.56 × 61,775.10
  4. Step 4: Simplify right side
    107,697.54x = 9,182,038,357.66
  5. Step 5: Solve for x
    x = 9,182,038,357.66/107,697.54
  6. Step 6: Final answer
    x = 85,257.64

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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.