Home / 76,683.48-115,077.75-26,763.55

Finding the Fourth Proportional to 76,683.48, 115,077.75 and 26,763.55

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Solution

The fourth proportional to 76,683.48, 115,077.75 and 26,763.55 is: 40,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,683.48 : 115,077.75 = 26,763.55 : x
  2. Step 2: Convert to fraction form
    76,683.48/115,077.75 = 26,763.55/x
  3. Step 3: Cross multiply
    76,683.48x = 115,077.75 × 26,763.55
  4. Step 4: Simplify right side
    76,683.48x = 3,079,888,727.95
  5. Step 5: Solve for x
    x = 3,079,888,727.95/76,683.48
  6. Step 6: Final answer
    x = 40,163.66

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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.