Home / 79,125.20-118,596.60-39,709.52

Finding the Fourth Proportional to 79,125.20, 118,596.60 and 39,709.52

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Solution

The fourth proportional to 79,125.20, 118,596.60 and 39,709.52 is: 59,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.20 : 118,596.60 = 39,709.52 : x
  2. Step 2: Convert to fraction form
    79,125.20/118,596.60 = 39,709.52/x
  3. Step 3: Cross multiply
    79,125.20x = 118,596.60 × 39,709.52
  4. Step 4: Simplify right side
    79,125.20x = 4,709,414,059.63
  5. Step 5: Solve for x
    x = 4,709,414,059.63/79,125.20
  6. Step 6: Final answer
    x = 59,518.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.