Home / 76,159.14-105,099.60-42,625.14

Finding the Fourth Proportional to 76,159.14, 105,099.60 and 42,625.14

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Solution

The fourth proportional to 76,159.14, 105,099.60 and 42,625.14 is: 58,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,159.14 : 105,099.60 = 42,625.14 : x
  2. Step 2: Convert to fraction form
    76,159.14/105,099.60 = 42,625.14/x
  3. Step 3: Cross multiply
    76,159.14x = 105,099.60 × 42,625.14
  4. Step 4: Simplify right side
    76,159.14x = 4,479,885,163.94
  5. Step 5: Solve for x
    x = 4,479,885,163.94/76,159.14
  6. Step 6: Final answer
    x = 58,822.69

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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.