Home / 77,011.32-115,487.58-37,019.24

Finding the Fourth Proportional to 77,011.32, 115,487.58 and 37,019.24

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Solution

The fourth proportional to 77,011.32, 115,487.58 and 37,019.24 is: 55,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,011.32 : 115,487.58 = 37,019.24 : x
  2. Step 2: Convert to fraction form
    77,011.32/115,487.58 = 37,019.24/x
  3. Step 3: Cross multiply
    77,011.32x = 115,487.58 × 37,019.24
  4. Step 4: Simplify right side
    77,011.32x = 4,275,262,441.04
  5. Step 5: Solve for x
    x = 4,275,262,441.04/77,011.32
  6. Step 6: Final answer
    x = 55,514.73

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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.