Home / 56,702.12-78,258.52-32,843.32

Finding the Fourth Proportional to 56,702.12, 78,258.52 and 32,843.32

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Solution

The fourth proportional to 56,702.12, 78,258.52 and 32,843.32 is: 45,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,702.12 : 78,258.52 = 32,843.32 : x
  2. Step 2: Convert to fraction form
    56,702.12/78,258.52 = 32,843.32/x
  3. Step 3: Cross multiply
    56,702.12x = 78,258.52 × 32,843.32
  4. Step 4: Simplify right side
    56,702.12x = 2,570,269,615.09
  5. Step 5: Solve for x
    x = 2,570,269,615.09/56,702.12
  6. Step 6: Final answer
    x = 45,329.34

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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.