Home / 76,124.82-105,057.09-42,601.62

Finding the Fourth Proportional to 76,124.82, 105,057.09 and 42,601.62

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Solution

The fourth proportional to 76,124.82, 105,057.09 and 42,601.62 is: 58,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124.82 : 105,057.09 = 42,601.62 : x
  2. Step 2: Convert to fraction form
    76,124.82/105,057.09 = 42,601.62/x
  3. Step 3: Cross multiply
    76,124.82x = 105,057.09 × 42,601.62
  4. Step 4: Simplify right side
    76,124.82x = 4,475,602,226.49
  5. Step 5: Solve for x
    x = 4,475,602,226.49/76,124.82
  6. Step 6: Final answer
    x = 58,792.94

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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.