Home / 56,178.96-77,527.08-31,028.56

Finding the Fourth Proportional to 56,178.96, 77,527.08 and 31,028.56

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Solution

The fourth proportional to 56,178.96, 77,527.08 and 31,028.56 is: 42,819.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178.96 : 77,527.08 = 31,028.56 : x
  2. Step 2: Convert to fraction form
    56,178.96/77,527.08 = 31,028.56/x
  3. Step 3: Cross multiply
    56,178.96x = 77,527.08 × 31,028.56
  4. Step 4: Simplify right side
    56,178.96x = 2,405,553,653.40
  5. Step 5: Solve for x
    x = 2,405,553,653.40/56,178.96
  6. Step 6: Final answer
    x = 42,819.48

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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.