Home / 77,085.90-115,634.52-32,707.62

Finding the Fourth Proportional to 77,085.90, 115,634.52 and 32,707.62

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Solution

The fourth proportional to 77,085.90, 115,634.52 and 32,707.62 is: 49,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,085.90 : 115,634.52 = 32,707.62 : x
  2. Step 2: Convert to fraction form
    77,085.90/115,634.52 = 32,707.62/x
  3. Step 3: Cross multiply
    77,085.90x = 115,634.52 × 32,707.62
  4. Step 4: Simplify right side
    77,085.90x = 3,782,129,939.04
  5. Step 5: Solve for x
    x = 3,782,129,939.04/77,085.90
  6. Step 6: Final answer
    x = 49,063.84

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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.