Home / 92,401.81-127,527.62-56,121.61

Finding the Fourth Proportional to 92,401.81, 127,527.62 and 56,121.61

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Solution

The fourth proportional to 92,401.81, 127,527.62 and 56,121.61 is: 77,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,401.81 : 127,527.62 = 56,121.61 : x
  2. Step 2: Convert to fraction form
    92,401.81/127,527.62 = 56,121.61/x
  3. Step 3: Cross multiply
    92,401.81x = 127,527.62 × 56,121.61
  4. Step 4: Simplify right side
    92,401.81x = 7,157,054,993.56
  5. Step 5: Solve for x
    x = 7,157,054,993.56/92,401.81
  6. Step 6: Final answer
    x = 77,455.79

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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.