Home / 77,011.84-115,517.76-32,637.60

Finding the Fourth Proportional to 77,011.84, 115,517.76 and 32,637.60

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Solution

The fourth proportional to 77,011.84, 115,517.76 and 32,637.60 is: 48,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,011.84 : 115,517.76 = 32,637.60 : x
  2. Step 2: Convert to fraction form
    77,011.84/115,517.76 = 32,637.60/x
  3. Step 3: Cross multiply
    77,011.84x = 115,517.76 × 32,637.60
  4. Step 4: Simplify right side
    77,011.84x = 3,770,222,443.78
  5. Step 5: Solve for x
    x = 3,770,222,443.78/77,011.84
  6. Step 6: Final answer
    x = 48,956.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.