Home / 76,252.77-105,229.58-42,262.01

Finding the Fourth Proportional to 76,252.77, 105,229.58 and 42,262.01

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Solution

The fourth proportional to 76,252.77, 105,229.58 and 42,262.01 is: 58,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,252.77 : 105,229.58 = 42,262.01 : x
  2. Step 2: Convert to fraction form
    76,252.77/105,229.58 = 42,262.01/x
  3. Step 3: Cross multiply
    76,252.77x = 105,229.58 × 42,262.01
  4. Step 4: Simplify right side
    76,252.77x = 4,447,212,824.80
  5. Step 5: Solve for x
    x = 4,447,212,824.80/76,252.77
  6. Step 6: Final answer
    x = 58,321.98

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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.