Home / 107,603.09-148,493.39-59,205.64

Finding the Fourth Proportional to 107,603.09, 148,493.39 and 59,205.64

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Solution

The fourth proportional to 107,603.09, 148,493.39 and 59,205.64 is: 81,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,603.09 : 148,493.39 = 59,205.64 : x
  2. Step 2: Convert to fraction form
    107,603.09/148,493.39 = 59,205.64/x
  3. Step 3: Cross multiply
    107,603.09x = 148,493.39 × 59,205.64
  4. Step 4: Simplify right side
    107,603.09x = 8,791,646,190.72
  5. Step 5: Solve for x
    x = 8,791,646,190.72/107,603.09
  6. Step 6: Final answer
    x = 81,704.40

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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.