Home / 76,427.46-105,521.34-58,490.46

Finding the Fourth Proportional to 76,427.46, 105,521.34 and 58,490.46

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Solution

The fourth proportional to 76,427.46, 105,521.34 and 58,490.46 is: 80,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,427.46 : 105,521.34 = 58,490.46 : x
  2. Step 2: Convert to fraction form
    76,427.46/105,521.34 = 58,490.46/x
  3. Step 3: Cross multiply
    76,427.46x = 105,521.34 × 58,490.46
  4. Step 4: Simplify right side
    76,427.46x = 6,171,991,716.42
  5. Step 5: Solve for x
    x = 6,171,991,716.42/76,427.46
  6. Step 6: Final answer
    x = 80,756.21

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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.