Home / 76,459.14-105,520.25-42,474.24

Finding the Fourth Proportional to 76,459.14, 105,520.25 and 42,474.24

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Solution

The fourth proportional to 76,459.14, 105,520.25 and 42,474.24 is: 58,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,459.14 : 105,520.25 = 42,474.24 : x
  2. Step 2: Convert to fraction form
    76,459.14/105,520.25 = 42,474.24/x
  3. Step 3: Cross multiply
    76,459.14x = 105,520.25 × 42,474.24
  4. Step 4: Simplify right side
    76,459.14x = 4,481,892,529.55
  5. Step 5: Solve for x
    x = 4,481,892,529.55/76,459.14
  6. Step 6: Final answer
    x = 58,618.14

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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.