Home / 77,658.06-107,206.92-50,841.66

Finding the Fourth Proportional to 77,658.06, 107,206.92 and 50,841.66

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Solution

The fourth proportional to 77,658.06, 107,206.92 and 50,841.66 is: 70,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,658.06 : 107,206.92 = 50,841.66 : x
  2. Step 2: Convert to fraction form
    77,658.06/107,206.92 = 50,841.66/x
  3. Step 3: Cross multiply
    77,658.06x = 107,206.92 × 50,841.66
  4. Step 4: Simplify right side
    77,658.06x = 5,450,577,776.29
  5. Step 5: Solve for x
    x = 5,450,577,776.29/77,658.06
  6. Step 6: Final answer
    x = 70,186.89

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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.