Home / 56,453.56-77,904.06-31,304.92

Finding the Fourth Proportional to 56,453.56, 77,904.06 and 31,304.92

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Solution

The fourth proportional to 56,453.56, 77,904.06 and 31,304.92 is: 43,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.56 : 77,904.06 = 31,304.92 : x
  2. Step 2: Convert to fraction form
    56,453.56/77,904.06 = 31,304.92/x
  3. Step 3: Cross multiply
    56,453.56x = 77,904.06 × 31,304.92
  4. Step 4: Simplify right side
    56,453.56x = 2,438,780,365.98
  5. Step 5: Solve for x
    x = 2,438,780,365.98/56,453.56
  6. Step 6: Final answer
    x = 43,199.76

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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.