Home / 77,706.24-107,235.04-45,890.84

Finding the Fourth Proportional to 77,706.24, 107,235.04 and 45,890.84

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Solution

The fourth proportional to 77,706.24, 107,235.04 and 45,890.84 is: 63,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,706.24 : 107,235.04 = 45,890.84 : x
  2. Step 2: Convert to fraction form
    77,706.24/107,235.04 = 45,890.84/x
  3. Step 3: Cross multiply
    77,706.24x = 107,235.04 × 45,890.84
  4. Step 4: Simplify right side
    77,706.24x = 4,921,106,063.03
  5. Step 5: Solve for x
    x = 4,921,106,063.03/77,706.24
  6. Step 6: Final answer
    x = 63,329.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.