Home / 56,573.25-78,073.52-31,422.75

Finding the Fourth Proportional to 56,573.25, 78,073.52 and 31,422.75

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Solution

The fourth proportional to 56,573.25, 78,073.52 and 31,422.75 is: 43,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,573.25 : 78,073.52 = 31,422.75 : x
  2. Step 2: Convert to fraction form
    56,573.25/78,073.52 = 31,422.75/x
  3. Step 3: Cross multiply
    56,573.25x = 78,073.52 × 31,422.75
  4. Step 4: Simplify right side
    56,573.25x = 2,453,284,543.47
  5. Step 5: Solve for x
    x = 2,453,284,543.47/56,573.25
  6. Step 6: Final answer
    x = 43,364.74

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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.