Home / 56,125.44-77,453.52-30,631.98

Finding the Fourth Proportional to 56,125.44, 77,453.52 and 30,631.98

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Solution

The fourth proportional to 56,125.44, 77,453.52 and 30,631.98 is: 42,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,125.44 : 77,453.52 = 30,631.98 : x
  2. Step 2: Convert to fraction form
    56,125.44/77,453.52 = 30,631.98/x
  3. Step 3: Cross multiply
    56,125.44x = 77,453.52 × 30,631.98
  4. Step 4: Simplify right side
    56,125.44x = 2,372,554,675.57
  5. Step 5: Solve for x
    x = 2,372,554,675.57/56,125.44
  6. Step 6: Final answer
    x = 42,272.36

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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.