Home / 76,474.08-105,544.62-42,946.56

Finding the Fourth Proportional to 76,474.08, 105,544.62 and 42,946.56

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Solution

The fourth proportional to 76,474.08, 105,544.62 and 42,946.56 is: 59,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,474.08 : 105,544.62 = 42,946.56 : x
  2. Step 2: Convert to fraction form
    76,474.08/105,544.62 = 42,946.56/x
  3. Step 3: Cross multiply
    76,474.08x = 105,544.62 × 42,946.56
  4. Step 4: Simplify right side
    76,474.08x = 4,532,778,355.51
  5. Step 5: Solve for x
    x = 4,532,778,355.51/76,474.08
  6. Step 6: Final answer
    x = 59,272.09

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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.