Home / 107,421.88-148,242.09-59,679.70

Finding the Fourth Proportional to 107,421.88, 148,242.09 and 59,679.70

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Solution

The fourth proportional to 107,421.88, 148,242.09 and 59,679.70 is: 82,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,421.88 : 148,242.09 = 59,679.70 : x
  2. Step 2: Convert to fraction form
    107,421.88/148,242.09 = 59,679.70/x
  3. Step 3: Cross multiply
    107,421.88x = 148,242.09 × 59,679.70
  4. Step 4: Simplify right side
    107,421.88x = 8,847,043,458.57
  5. Step 5: Solve for x
    x = 8,847,043,458.57/107,421.88
  6. Step 6: Final answer
    x = 82,357.93

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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.