Home / 76,626.72-115,009.61-39,212.64

Finding the Fourth Proportional to 76,626.72, 115,009.61 and 39,212.64

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Solution

The fourth proportional to 76,626.72, 115,009.61 and 39,212.64 is: 58,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,626.72 : 115,009.61 = 39,212.64 : x
  2. Step 2: Convert to fraction form
    76,626.72/115,009.61 = 39,212.64/x
  3. Step 3: Cross multiply
    76,626.72x = 115,009.61 × 39,212.64
  4. Step 4: Simplify right side
    76,626.72x = 4,509,830,237.41
  5. Step 5: Solve for x
    x = 4,509,830,237.41/76,626.72
  6. Step 6: Final answer
    x = 58,854.54

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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.