Home / 107,628.78-148,525.40-62,308.68

Finding the Fourth Proportional to 107,628.78, 148,525.40 and 62,308.68

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Solution

The fourth proportional to 107,628.78, 148,525.40 and 62,308.68 is: 85,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,628.78 : 148,525.40 = 62,308.68 : x
  2. Step 2: Convert to fraction form
    107,628.78/148,525.40 = 62,308.68/x
  3. Step 3: Cross multiply
    107,628.78x = 148,525.40 × 62,308.68
  4. Step 4: Simplify right side
    107,628.78x = 9,254,421,620.47
  5. Step 5: Solve for x
    x = 9,254,421,620.47/107,628.78
  6. Step 6: Final answer
    x = 85,984.64

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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.