Home / 76,085.94-114,168.70-31,140.66

Finding the Fourth Proportional to 76,085.94, 114,168.70 and 31,140.66

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Solution

The fourth proportional to 76,085.94, 114,168.70 and 31,140.66 is: 46,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,085.94 : 114,168.70 = 31,140.66 : x
  2. Step 2: Convert to fraction form
    76,085.94/114,168.70 = 31,140.66/x
  3. Step 3: Cross multiply
    76,085.94x = 114,168.70 × 31,140.66
  4. Step 4: Simplify right side
    76,085.94x = 3,555,288,669.34
  5. Step 5: Solve for x
    x = 3,555,288,669.34/76,085.94
  6. Step 6: Final answer
    x = 46,727.28

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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.