Home / 107,638.07-148,538.00-59,890.39

Finding the Fourth Proportional to 107,638.07, 148,538.00 and 59,890.39

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Solution

The fourth proportional to 107,638.07, 148,538.00 and 59,890.39 is: 82,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,638.07 : 148,538.00 = 59,890.39 : x
  2. Step 2: Convert to fraction form
    107,638.07/148,538.00 = 59,890.39/x
  3. Step 3: Cross multiply
    107,638.07x = 148,538.00 × 59,890.39
  4. Step 4: Simplify right side
    107,638.07x = 8,895,998,528.20
  5. Step 5: Solve for x
    x = 8,895,998,528.20/107,638.07
  6. Step 6: Final answer
    x = 82,647.33

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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.