Home / 56,114.25-77,437.67-30,963.75

Finding the Fourth Proportional to 56,114.25, 77,437.67 and 30,963.75

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Solution

The fourth proportional to 56,114.25, 77,437.67 and 30,963.75 is: 42,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,114.25 : 77,437.67 = 30,963.75 : x
  2. Step 2: Convert to fraction form
    56,114.25/77,437.67 = 30,963.75/x
  3. Step 3: Cross multiply
    56,114.25x = 77,437.67 × 30,963.75
  4. Step 4: Simplify right side
    56,114.25x = 2,397,760,499.64
  5. Step 5: Solve for x
    x = 2,397,760,499.64/56,114.25
  6. Step 6: Final answer
    x = 42,729.98

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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.