Home / 77,012.32-115,489.08-37,020.24

Finding the Fourth Proportional to 77,012.32, 115,489.08 and 37,020.24

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Solution

The fourth proportional to 77,012.32, 115,489.08 and 37,020.24 is: 55,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,012.32 : 115,489.08 = 37,020.24 : x
  2. Step 2: Convert to fraction form
    77,012.32/115,489.08 = 37,020.24/x
  3. Step 3: Cross multiply
    77,012.32x = 115,489.08 × 37,020.24
  4. Step 4: Simplify right side
    77,012.32x = 4,275,433,458.98
  5. Step 5: Solve for x
    x = 4,275,433,458.98/77,012.32
  6. Step 6: Final answer
    x = 55,516.23

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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.