Home / 107,319.72-148,101.80-67,056.85

Finding the Fourth Proportional to 107,319.72, 148,101.80 and 67,056.85

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Solution

The fourth proportional to 107,319.72, 148,101.80 and 67,056.85 is: 92,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,319.72 : 148,101.80 = 67,056.85 : x
  2. Step 2: Convert to fraction form
    107,319.72/148,101.80 = 67,056.85/x
  3. Step 3: Cross multiply
    107,319.72x = 148,101.80 × 67,056.85
  4. Step 4: Simplify right side
    107,319.72x = 9,931,240,187.33
  5. Step 5: Solve for x
    x = 9,931,240,187.33/107,319.72
  6. Step 6: Final answer
    x = 92,538.82

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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.