Home / 107,603.10-148,431.60-64,571.58

Finding the Fourth Proportional to 107,603.10, 148,431.60 and 64,571.58

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Solution

The fourth proportional to 107,603.10, 148,431.60 and 64,571.58 is: 89,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,603.10 : 148,431.60 = 64,571.58 : x
  2. Step 2: Convert to fraction form
    107,603.10/148,431.60 = 64,571.58/x
  3. Step 3: Cross multiply
    107,603.10x = 148,431.60 × 64,571.58
  4. Step 4: Simplify right side
    107,603.10x = 9,584,462,933.93
  5. Step 5: Solve for x
    x = 9,584,462,933.93/107,603.10
  6. Step 6: Final answer
    x = 89,072.37

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1.5x scale

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.