Home / 56,185.64-77,534.42-30,691.59

Finding the Fourth Proportional to 56,185.64, 77,534.42 and 30,691.59

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Solution

The fourth proportional to 56,185.64, 77,534.42 and 30,691.59 is: 42,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,185.64 : 77,534.42 = 30,691.59 : x
  2. Step 2: Convert to fraction form
    56,185.64/77,534.42 = 30,691.59/x
  3. Step 3: Cross multiply
    56,185.64x = 77,534.42 × 30,691.59
  4. Step 4: Simplify right side
    56,185.64x = 2,379,654,476.07
  5. Step 5: Solve for x
    x = 2,379,654,476.07/56,185.64
  6. Step 6: Final answer
    x = 42,353.43

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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.